Question

20.There is an 80% chance David will eat a healthy breakfast and a 25% chance that it will rain. If these events are independent , what is the probability that David will eat a healthy breakfast or that it will rain A.20% B.80% C.85% D.95% E.105%

Answer 1

A. 20%

Explanation:

These events are independent, because if David eats a healthy breakfast cannot influence on would be rain or not.

"And" for probabilities of independent events means "x" (times).

80% = 0.8

25% = 0.25

0.8*0.25 = 0.2 = 20%