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On a particular college campus, 22% of the students belong to a fraternity or sorority. If 56 college students are randomly chosen:a. What is the probability that 16 are members of a fraternity or sorority?Round to at least three decimal places.Incorrectb. What is the mean of this distribution? Round to at least one decimal.Incorrectc. What is the standard deviation of this distribution? Round to at least one decimal

1 Answer

5 votes

Step-by-step explanation

Part A

From the question,


\begin{gathered} p=(22)/(100);q=1-(22)/(100) \\ p=0.22;q=0.78 \\ Also,n\text{ =56} \end{gathered}

Using the binomial probability distribution formula;


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User AndyReifman
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