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Question 5 5. The average cost of a college student's textbook purchases for one semester is $810 with a standard deviat
Posted: Mon Jul 11, 2022 11:41 am
by answerhappygod
- Question 5 5 The Average Cost Of A College Student S Textbook Purchases For One Semester Is 810 With A Standard Deviat 1 (20.69 KiB) Viewed 53 times
Question 5 5. The average cost of a college student's textbook purchases for one semester is $810 with a standard deviation of $92. a. If a random sample of 20 college students is selected, find the probability that the sample mean cost of textbook purchases for one semester is less than $775. (6 points) 12 pts b. If a random sample of 30 college students is selected, find the probability that the sample mean cost of textbook purchases for one semester is more than $850. (6 points) The answer to part a) is round final answers to 4 decimal places. and the answer to part b) is Please