SOLUTION: The percentage of Americans who are vegetarians is 3.2%. Four people are randomly selected and are asked if they are vegetarians. Find the probability that exactly one person said

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Question 851487: The percentage of Americans who are vegetarians is 3.2%. Four people are randomly selected and are asked if they are vegetarians. Find the probability that exactly one person said he or she is a vegetarian.
Answer by stanbon(75887) About Me  (Show Source):
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The percentage of Americans who are vegetarians is 3.2%. Four people are randomly selected and are asked if they are vegetarians. Find the probability that exactly one person said he or she is a vegetarian.
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Binomial Problem with n = 4 and p(vege) = 0.032
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P(x = 1) = 4C1(0.032)(0.968)^3 = binompdf(4,0.032,1) = 0.1161
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Cheers,
Stan H.
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