![]() ![]() Calculate the percentage of women in your sample who became pregnant. b) In your sample of 200, 14 women became pregnant in the past year, while taking the pill. Imagine a random sample of 200 medical records of women who were prescribed the pill one year ago. ![]() (research published in Family Planning Perspectives in 2001 cited in Baldi and Moore, 3rd ed, p 334) a) Calculate the mean and standard deviation for the proportion of women who experience unplanned pregnancies. This means that 5% of women taking the pill for a year will experience an unplanned pregnancy in that year. Under typical use the real efficacy is about 95%. Pharmaceutical companies claim/advertise that "the" birth-control pill is extremely effective.
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