Astudy on students drinking habits wants to determine the true average number of alcoholic drinks all fsu undergraduate students have in a one week period. we know from preliminary studies that the standard deviation is around 2. how many students should be sampled to be within 1 drink of population mean with 95% probability?

Find all the values of x that make 0.1x + 0.25(102 - x) < 17.10 true.

Amajor grocery store chain is trying to cut down on waste. currently, they get peaches from two different distributors, whole fruits and green grocer. out of a two large shipments, the manager randomly selects items from both suppliers and counts the number of items that are not sell-able due to bruising, disease or other problems. she then makes a confidence interval. is there a significant difference in the quality of the peaches between the two distributors? 95% ci for pw-pg: (0.064, 0.156)

Assume that adults have iq scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equals 20. find the probability that a randomly selected adult has an iq between 80 and 120.assume that adults have iq scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equals 20. find the probability that a randomly selected adult has an iq between 80 and 120.