Question

A university reported its annual findings about sexually transmitted HPV. The results proved to be quite disheartening, specifically pertaining the HPV rates observed throughout the year. Suppose 25% of women living on campus that year tested positive for HPV, and 10 female students were chosen at random for a new prevention program promoting safe sex practices.

(a) What is the probability of finding at least 3 females with HPV in the sample?

(b) What is the expected number of female students based on the sample?

(c) What is the variance?

Answer 1

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