PLEASE RATE THE
Probability of getting a flue is 0.15 ( EVENT A)
Probability of not getting a fluw fter shot is (1-0.15 ) = 0.85 (EVENT B)
a. What is the probability that exactly 5 of them gets flu?
= probability of 5 getting a flue * probability of 3 not getting the flue
= A5 B3
= 0.155 * 0.853
b. What is the probability that at least one person gets flu?
= 1 - ( probability that no one gets the flu)
= 1 - B8
= 1- 0.858
= 72.75 %
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