{"id":4533,"date":"2024-03-05T16:07:39","date_gmt":"2024-03-05T16:07:39","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=4533"},"modified":"2024-03-05T16:07:39","modified_gmt":"2024-03-05T16:07:39","slug":"19-consider-the-following-venn-diagram-drawn-after-conducting-a-survey-of-50-persons-most-of-whom-read-one-or-more-newspapers-in-a-population-of-10000-persons-how-many-can-be-expected-to-be-readin","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/19-consider-the-following-venn-diagram-drawn-after-conducting-a-survey-of-50-persons-most-of-whom-read-one-or-more-newspapers-in-a-population-of-10000-persons-how-many-can-be-expected-to-be-readin\/","title":{"rendered":"19.Consider the following Venn diagram drawn after conducting a survey of 50 persons, most of whom read one or more newspapers: In a population of 10,000 persons, how many can be expected to be reading at least two newspapers?"},"content":{"rendered":"<p>\r\n    <!-- Check if it's an AMP page -->\r\n            <!-- Non-AMP version -->\r\n        <div class=\"mcq-container\" data-quiz-id=\"quizState_6a97d8cf6e2f3\">\r\n                                            <div class=\"option\" data-option-key=\"option1\" data-is-correct=\"false\">\r\n                    5,000                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option2\" data-is-correct=\"false\">\r\n                    5,400                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option3\" data-is-correct=\"true\">\r\n                    6,000                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option4\" data-is-correct=\"false\">\r\n                    6,250                <\/div>\r\n                            \r\n            <!-- Feedback messages for non-AMP -->\r\n            <div class=\"feedback\" data-feedback=\"wrong\">Answer is Right!<\/div>\r\n            <div class=\"feedback\" data-feedback=\"right\">Answer is Wrong!<\/div>\r\n        <\/div>\r\n\r\n        <script>\r\n        document.addEventListener('DOMContentLoaded', function () {\r\n            var containers = document.querySelectorAll('.mcq-container');\r\n\r\n            containers.forEach(function(container) {\r\n                var options = container.querySelectorAll('.option');\r\n                var feedbackSelect = container.querySelector('[data-feedback=\"select\"]');\r\n                var feedbackWrong = container.querySelector('[data-feedback=\"wrong\"]');\r\n                var feedbackRight = container.querySelector('[data-feedback=\"right\"]');\r\n\r\n                options.forEach(function(option) {\r\n                    option.addEventListener('click', function() {\r\n                        var selectedOption = option.getAttribute('data-option-key');\r\n                        var isCorrect = option.getAttribute('data-is-correct') === 'true';\r\n\r\n                        \/\/ Remove previous selections\r\n                        options.forEach(function(opt) {\r\n                            opt.classList.remove('correct', 'incorrect');\r\n                        });\r\n\r\n                        \/\/ Add the correct\/incorrect class\r\n                        if (isCorrect) {\r\n                            option.classList.add('correct');\r\n                            feedbackRight.hidden = false;\r\n                            feedbackWrong.hidden = true;\r\n                        } else {\r\n                            option.classList.add('incorrect');\r\n                            feedbackRight.hidden = true;\r\n                            feedbackWrong.hidden = false;\r\n                        }\r\n\r\n                        \/\/ Hide select feedback\r\n                        feedbackSelect.hidden = true;\r\n                    });\r\n                });\r\n            });\r\n        });\r\n        <\/script>\r\n    \r\n    <!--more--><\/p>\n<p>The correct answer is (c).<\/p>\n<p>The number of people who read at least two newspapers is the sum of the number of people who read both newspapers, the number of people who read only newspaper A, and the number of people who read only newspaper B. This can be calculated using the following formula:<\/p>\n<p>$n(A \\cup B) = n(A) + n(B) &#8211; n(A \\cap B)$<\/p>\n<p>where $n(A)$ is the number of people who read newspaper A, $n(B)$ is the number of people who read newspaper B, and $n(A \\cap B)$ is the number of people who read both newspapers.<\/p>\n<p>In this case, we know that $n(A) = 20$, $n(B) = 30$, and $n(A \\cap B) = <div class=\"youtube-subscribe-container\">\r\n        <a href=\"https:\/\/www.youtube.com\/channel\/UCNHT8lW-JmLC68rjBfZhdkg?sub_confirmation=1\" target=\"_blank\" class=\"youtube-subscribe-button\">\r\n            <span class=\"youtube-icon\">\r\n                <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 576 512\">\r\n                    <path d=\"M549.7 124.1c-6.3-23.7-24.8-42.3-48.3-48.6C458.8 64 288 64 288 64S117.2 64 74.6 75.5c-23.5 6.3-42 24.9-48.3 48.6-11.4 42.9-11.4 132.3-11.4 132.3s0 89.4 11.4 132.3c6.3 23.7 24.8 41.5 48.3 47.8C117.2 448 288 448 288 448s170.8 0 213.4-11.5c23.5-6.3 42-24.2 48.3-47.8 11.4-42.9 11.4-132.3 11.4-132.3s0-89.4-11.4-132.3zm-317.5 213.5V175.2l142.7 81.2-142.7 81.2z\"\/>\r\n                <\/svg>\r\n            <\/span>\r\n            <div class=\"telegram-channel-container\">\r\n        <a href=\"https:\/\/t.me\/pscnotes2025\" target=\"_blank\" class=\"telegram-channel-button\">\r\n            <span class=\"telegram-icon\">\r\n                <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 496 512\">\r\n                    <path fill=\"white\" d=\"M248,8C111,8,0,119,0,256s111,248,248,248s248-111,248-248S385,8,248,8z M362,177L320,367c-3,14-10,18-20,14l-56-41l-27,26 c-3,3-5,5-10,5l4-63L323,196c5-5-1-7-8-3l-98,62l-42-13c-9-3-10-9,2-14l162-63C351,160,365,164,362,177z\"\/>\r\n                <\/svg>\r\n            <\/span>\r\n            Join Our Telegram Channel\r\n        <\/a>\r\n    <\/div> Subscribe on YouTube\r\n        <\/a>\r\n    <\/div> 10$. Substituting these values into the formula, we get:<\/p>\n<p>$n(A \\cup B) = 20 + 30 &#8211; 10 = 40$<\/p>\n<p>Therefore, we can expect 40 people in a population of 10,000 to be reading at least two newspapers.<\/p>\n<p>Option (a) is incorrect because it is the total number of people who read at least one newspaper. Option (b) is incorrect because it is the sum of the number of people who read only newspaper A and the number of people who read only newspaper B. Option (d) is incorrect because it is the number of people who read both newspapers.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Join Our Telegram Channel Subscribe on YouTube<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[129],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.2 (Yoast SEO v23.3) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>19.Consider the following Venn diagram drawn after conducting a survey of 50 persons, most of whom read one or more newspapers: In a population of 10,000 persons, how many can be expected to be reading at least two newspapers?<\/title>\n<meta name=\"description\" content=\"The number of people who read at least two newspapers is the sum of the number of people who read both newspapers, the number of people who read only newspaper A, and the number of people who read only newspaper B. This can be calculated using the following formula:\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/exam.pscnotes.com\/mcq\/19-consider-the-following-venn-diagram-drawn-after-conducting-a-survey-of-50-persons-most-of-whom-read-one-or-more-newspapers-in-a-population-of-10000-persons-how-many-can-be-expected-to-be-readin\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"19.Consider the following Venn diagram drawn after conducting a survey of 50 persons, most of whom read one or more newspapers: In a population of 10,000 persons, how many can be expected to be reading at least two newspapers?\" \/>\n<meta property=\"og:description\" content=\"The number of people who read at least two newspapers is the sum of the number of people who read both newspapers, the number of people who read only newspaper A, and the number of people who read only newspaper B. This can be calculated using the following formula:\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/19-consider-the-following-venn-diagram-drawn-after-conducting-a-survey-of-50-persons-most-of-whom-read-one-or-more-newspapers-in-a-population-of-10000-persons-how-many-can-be-expected-to-be-readin\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2024-03-05T16:07:39+00:00\" \/>\n<meta name=\"author\" content=\"rawan239\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"rawan239\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"19.Consider the following Venn diagram drawn after conducting a survey of 50 persons, most of whom read one or more newspapers: In a population of 10,000 persons, how many can be expected to be reading at least two newspapers?","description":"The number of people who read at least two newspapers is the sum of the number of people who read both newspapers, the number of people who read only newspaper A, and the number of people who read only newspaper B. This can be calculated using the following formula:","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/exam.pscnotes.com\/mcq\/19-consider-the-following-venn-diagram-drawn-after-conducting-a-survey-of-50-persons-most-of-whom-read-one-or-more-newspapers-in-a-population-of-10000-persons-how-many-can-be-expected-to-be-readin\/","og_locale":"en_US","og_type":"article","og_title":"19.Consider the following Venn diagram drawn after conducting a survey of 50 persons, most of whom read one or more newspapers: In a population of 10,000 persons, how many can be expected to be reading at least two newspapers?","og_description":"The number of people who read at least two newspapers is the sum of the number of people who read both newspapers, the number of people who read only newspaper A, and the number of people who read only newspaper B. This can be calculated using the following formula:","og_url":"https:\/\/exam.pscnotes.com\/mcq\/19-consider-the-following-venn-diagram-drawn-after-conducting-a-survey-of-50-persons-most-of-whom-read-one-or-more-newspapers-in-a-population-of-10000-persons-how-many-can-be-expected-to-be-readin\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2024-03-05T16:07:39+00:00","author":"rawan239","twitter_card":"summary_large_image","twitter_misc":{"Written by":"rawan239","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/exam.pscnotes.com\/mcq\/19-consider-the-following-venn-diagram-drawn-after-conducting-a-survey-of-50-persons-most-of-whom-read-one-or-more-newspapers-in-a-population-of-10000-persons-how-many-can-be-expected-to-be-readin\/","url":"https:\/\/exam.pscnotes.com\/mcq\/19-consider-the-following-venn-diagram-drawn-after-conducting-a-survey-of-50-persons-most-of-whom-read-one-or-more-newspapers-in-a-population-of-10000-persons-how-many-can-be-expected-to-be-readin\/","name":"19.Consider the following Venn diagram drawn after conducting a survey of 50 persons, most of whom read one or more newspapers: In a population of 10,000 persons, how many can be expected to be reading at least two newspapers?","isPartOf":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#website"},"datePublished":"2024-03-05T16:07:39+00:00","dateModified":"2024-03-05T16:07:39+00:00","author":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209"},"description":"The number of people who read at least two newspapers is the sum of the number of people who read both newspapers, the number of people who read only newspaper A, and the number of people who read only newspaper B. This can be calculated using the following formula:","breadcrumb":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/19-consider-the-following-venn-diagram-drawn-after-conducting-a-survey-of-50-persons-most-of-whom-read-one-or-more-newspapers-in-a-population-of-10000-persons-how-many-can-be-expected-to-be-readin\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/exam.pscnotes.com\/mcq\/19-consider-the-following-venn-diagram-drawn-after-conducting-a-survey-of-50-persons-most-of-whom-read-one-or-more-newspapers-in-a-population-of-10000-persons-how-many-can-be-expected-to-be-readin\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/exam.pscnotes.com\/mcq\/19-consider-the-following-venn-diagram-drawn-after-conducting-a-survey-of-50-persons-most-of-whom-read-one-or-more-newspapers-in-a-population-of-10000-persons-how-many-can-be-expected-to-be-readin\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/exam.pscnotes.com\/mcq\/"},{"@type":"ListItem","position":2,"name":"mcq","item":"https:\/\/exam.pscnotes.com\/mcq\/category\/mcq\/"},{"@type":"ListItem","position":3,"name":"Set Theory","item":"https:\/\/exam.pscnotes.com\/mcq\/category\/mcq\/set-theory\/"},{"@type":"ListItem","position":4,"name":"19.Consider the following Venn diagram drawn after conducting a survey of 50 persons, most of whom read one or more newspapers: In a population of 10,000 persons, how many can be expected to be reading at least two newspapers?"}]},{"@type":"WebSite","@id":"https:\/\/exam.pscnotes.com\/mcq\/#website","url":"https:\/\/exam.pscnotes.com\/mcq\/","name":"MCQ and Quiz for Exams","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/exam.pscnotes.com\/mcq\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"},{"@type":"Person","@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209","name":"rawan239","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/d97f17072bfa490596c8f78363955d55?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/d97f17072bfa490596c8f78363955d55?s=96&d=mm&r=g","caption":"rawan239"},"sameAs":["https:\/\/exam.pscnotes.com"],"url":"https:\/\/exam.pscnotes.com\/mcq\/author\/rawan239\/"}]}},"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/4533"}],"collection":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/comments?post=4533"}],"version-history":[{"count":0,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/4533\/revisions"}],"wp:attachment":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/media?parent=4533"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/categories?post=4533"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/tags?post=4533"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}