Medical records at a doctor's office reveal that 12% of adult patients have seasonal

allergies. Select a random sample of 100 adult patients and let Y= the number of

individuals in the sample who have allergies.

A. Calculate the mean and standard deviation of the sampling distribution of Y.

B. Interpret the standard deviation from part (a)

C. Would it be appropriate to use a normal distribution to model the sampling distribution of

Y? Justify your answer.