Mathematics, 25.04.2020 01:01 lululoveee5256

A half-century ago, the mean height of women in a particular country in their 20s was 64.2 inches. Assume that the heights of today's women in their 20s are approximately normally distributed with a standard deviation of 1.85 inches. If the mean height today is the same as that of a half-century ago, what percentage of all samples of 20 of today's women in their 20s have mean heights of at least 65.33 inches?

Answers: 2

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 19:30, iloading5117

Carlos spent 1 1/4 hours doing his math homework he spent 1/4 of his time practicing his multiplication facts how many hours to carlos been practicing his multiplication facts

Answers: 2

continue

Mathematics, 21.06.2019 22:30, tdyson3p6xvtu

60 musicians applied for a job at a music school. 14 of the musicians play both guitar and drums, 28 play drums, 18 play the guitar. what is the probability that the applicant who gets the job plays drums or guitar?

Answers: 1

continue

Mathematics, 22.06.2019 01:30, iBrain

Problem number 26 of the rhind papyrus says: find a quantity such that when it is added to of itself the result is a 15. the modern day equation that models this problem is x + x = 15. what is the solution to the equation? x = 10 x = 12 x = 15 x = 30

Answers: 1

continue

Mathematics, 22.06.2019 02:00, hibbo579

Currently, the largest cruise ship has a tonnage of 225,282 gross tons (gt). which of the following is a reasonable estimate for the tonnage of this cruise ship? a. 2 × 10^5 gt b. 2 × 10^6 gt c. 2 × 10^-5 gt d. 2 × 10^-6 gt

Answers: 1

continue

You know the right answer?

A half-century ago, the mean height of women in a particular country in their 20s was 64.2 inches. A...