1. u imately 74% of his (10 pts) During tetwe, James' career, he successfully makes "e fhee throw...
1. u imately 74% of his (10 pts) During tetwe, James' career, he successfully makes "e fhee throw attempts. If Letron James attempts & free throws per game, what is the probability that he will successfully make at least 6 free throws 5. (o pts) The Statistical Bulletin published by Metropolitan Life Insurance Co. reported that births is taken. find 2% of all-A merican births result in twins. If a random sample of 8000 the mecan variance, and standard deviation of the number of births that would result in decimal places find the probability twins. Round the standard deviation to fwe (6 pts) For each problem below, sketch and normal distribution curve under the standard 6. (a) P(z > .55) (b) P(-2.56 <z < .76) imes per workout an athlete uses a stair-climber are normally distributed. edin of 21 minutes and a standard deviation of 5 minutes. An athlete is selected. (a) Find the proba less than 17 minutes. bility that the athlete uses a stair-climber for uses a stair-climber between 20 and 30 minutes. large corporation work each day are (b) Find the probability that the athlete uses 8. (10 pts) The amounts of time employees at a ay distributed, with a mean of 26 hours and a standard deviation of 0.65 hour Random samples of size 12 are drawn from the population is determined. and the mean of each sample (a) What is the shape of this sampling distribution? Briefly explain. (b) Find the mean of this sampling distribution. (c) Find the standard error of this sampling distribution. Round the standard error three decimal places. (d) What is the probability that the sample mean will have value greater than 8 ho
1. u imately 74% of his (10 pts) During tetwe, James' career, he successfully makes "e fhee throw attempts. If Letron James attempts & free throws per game, what is the probability that he will successfully make at least 6 free throws 5. (o pts) The Statistical Bulletin published by Metropolitan Life Insurance Co. reported that births is taken. find 2% of all-A merican births result in twins. If a random sample of 8000 the mecan variance, and standard deviation of the number of births that would result in decimal places find the probability twins. Round the standard deviation to fwe (6 pts) For each problem below, sketch and normal distribution curve under the standard 6. (a) P(z > .55) (b) P(-2.56