SOLUTION: A study determined that 8% of persons age 65 to 74 have a certain symptom. A group of 22 persons age 65 to 74 are selected at random. Find the probability that 4 people have the sy

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Question 868788: A study determined that 8% of persons age 65 to 74 have a certain symptom. A group of 22 persons age 65 to 74 are selected at random. Find the probability that 4 people have the symptom.
Thanks for helping!! Have no idea what this is asking.

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
p = .08, n = 22
p(x = 4) = binompdf(22, .08, 4)