Couples want to increase their chances of having a baby girl and they undergo fertility treatment.Assume the gender selection method does not work (has no effect) and the chance of having a baby girl 0.5.If 50 couples each have a child, find the mean number of girls (in other words, how many girls do we expect?).

Suppose that at a particular college with over 20,000 students, it was found that 15% of students are enrolled in Statistics each semester.If 10 students are randomly selected, what is the probability that exactly 2 students are taking Statistics?You may use your calculator to determine the answer.

(Round your answer tothree decimal places.)

Is 35 girls in 50 births unusual if the chances of having a baby girl is 50%?

Group of answer choices

Yes, because 35 is more than 2 standard deviations above the mean.

No.

Yes, beause the probability is high

No answer text provided.