# Question

When not interrupted artifi cially, the duration of human pregnancies can be described, we’ll assume, by a mean of 9 months ( 270 days) and a standard deviation of one- half month ( 15 days).

(a) Between what two times, in days, will a majority of babies arrive?

(b) A small minority of all babies will arrive sooner than ______?

(c) A small minority of all babies will arrive later than ______?

(d) In a paternity suit, the suspected father claims that since he was overseas during the entire 10 months prior to the baby’s birth, he could not possibly be the father. Any comment?

(a) Between what two times, in days, will a majority of babies arrive?

(b) A small minority of all babies will arrive sooner than ______?

(c) A small minority of all babies will arrive later than ______?

(d) In a paternity suit, the suspected father claims that since he was overseas during the entire 10 months prior to the baby’s birth, he could not possibly be the father. Any comment?

## Answer to relevant Questions

Add 10 to each of the scores in Question 4.4 (1, 3, 4, 4) to produce a new distribution (11, 13, 14, 14). Would you expect the value of the sample standard deviation to be the same for both the original and new ...IQ scores on the WAIS test approximate a normal curve with a mean of 100 and a standard deviation of 15. What IQ score is identified with (a) The upper 2 percent, that is, 2 percent to the right (and 98 percent to the ...In the original study of regression toward the mean, Sir Francis Galton noted a tendency for offspring of both tall and short parents to drift toward the mean height for offspring and referred to this tendency as ...A traditional test for extra- sensory perception (ESP) involves a set of playing cards, each of which shows a different symbol (circle, square, cross, star, or wavy lines). If C represents a correct guess and I an incorrect ...Specify three important properties of the sampling distribution of the mean.Post your question

0