# Question: A certain chromosome defect occurs in only 1 in 200

A certain chromosome defect occurs in only 1 in 200 adult Caucasian males. A random sample of n = 100 adult Caucasian males is to be obtained.

a. What is the mean value of the sample proportion p^ , and what is the standard deviation of the sample proportion?

b. Does p^ have approximately a normal distribution in this case? Explain.

c. What is the smallest value of n for which the sampling distribution of p^ is approximately normal?

a. What is the mean value of the sample proportion p^ , and what is the standard deviation of the sample proportion?

b. Does p^ have approximately a normal distribution in this case? Explain.

c. What is the smallest value of n for which the sampling distribution of p^ is approximately normal?

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