Mathematics, 06.04.2021 03:50, dbhuggybearow6jng

Engineers are designing a large elevator that will accommodate 40 people. The maximum weight the elevator can hold safely is 8120 pounds. According to the National Health Statistics Reports, the weights of adult U. S. men have mean 194 pounds and standard deviation 68 pounds, and the weights of adult U. S. women have mean 164 pounds and standard deviation 77 pounds. 1) If 44 people arc on the elevator, and their total weight is 9240 pounds, what is their average weight?
2) If a random sample of 44 adult men ride the elevator, what is the probability that the maximum safe weight will be exceeded?
3) If a random sample of 44 adult women ride the elevator, what is the probability that the maximum safe weight will be exceeded?

Answers: 1

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 20:30, yfgkeyonna

On a cm grid, point p has coordinates (3,-1) and point q has coordinates (-5,6) calculate the shortest distance between p and q give your answer to 1 decimal place

Answers: 2

continue

Mathematics, 22.06.2019 00:00, destinywashere101

Last week jason walked 3 1/4 miles each day for 3 days and 4 5/8 miles each day for 4 days. about how many miles did jason walk last week?

Answers: 1

continue

Mathematics, 22.06.2019 05:00, wytchnia

Marie is creating a cross stitch pattern with rectangles all the same size. what is the perimeter of each rectangle with sides of lengths 3/4 inch and 2/3 inch

Answers: 1

continue

Mathematics, 22.06.2019 06:30, smilebehappy468

Which multiples do 3and 5 have in common? write all the common multiples of 3 and 5

Answers: 2

continue

Do you know the correct answer?

Engineers are designing a large elevator that will accommodate 40 people. The maximum weight the ele...