0.4
0.64
0.29
0.75
Answer is Right!
Answer is Wrong!
The correct answer is $\boxed{\text{B. 0.64}}$.
The probability of playing is the probability that the weather will be good enough to play. The weather data shows that there is a 64% chance of good weather. Therefore, the probability of playing is 0.64.
Option A is incorrect because it is the probability of bad weather. Option C is incorrect because it is the probability of very bad weather. Option D is incorrect because it is the probability of excellent weather.