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%

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Madelyn Ellison

Mathematics

5 April, 03:44

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%

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Josh Guerra · Answer 1

A. 20%

Step-by-step 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%