If a sample of 21 runners were taken from a population of 580 runners, could refer to the mean of how many runners' times? a. 21 b. 580 c. neither 21 nor 580 d. both 21 and 580

If you are dealt 4 cards from a shuffled deck of 52? cards, find the probability that all 4 cards are diamondsdiamonds.

Harry the hook has 7 1/3 pounds of cookie dough. she uses 3/5 of it to bake cookie. how much cookie dough does she use to make cookie?

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.