Question

It it rains tomorrow, the probability is 0.8 that John will practice his trumpet. If it does not rain tomorrow, there is only a 0 6 chance that John will practice. Suppose the chance of rain tomorrow is 50%

What is the probability that John wil practice his trumpet?

Answer 1

64%

Explanation:

Given if it rains John Plays piano is 0.8i.e. if it rains probability that john will not play is 0.2If it not rain Then probability that john will play piano is 0.4he will not play is 0.6Given if there is 60 % chance that it will rain tomorrow