SOLUTION: A certain chromosome defect occurs in only 1 in 220 adult Caucasian males. A random sample of n = 100 adult Caucasian males is to be obtained. What is the mean value of the sample

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Question 1119934: A certain chromosome defect occurs in only 1 in 220 adult Caucasian males. A random sample of n = 100 adult Caucasian males is to be obtained. What is the mean value of the sample proportion p?
Answer by Boreal(15235) About Me  (Show Source):
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It should be 1/220 or 0.0045 or 0.45 people expected value.