Mathematics, 12.04.2021 21:00 bradleylogan78
Engineers are designing a large elevator that will accommodate 42 people. The maximum weight the elevator can hold safely is 8148 pounds. According to the National Health Statistics Reports, the weights of adult U. S. men have mean 188 pounds and standard deviation 63 pounds, and the weights of adult U. S. women have mean 158 pounds and standard deviation 72 pounds.
(a) If 42 people are on the elevator, and their total weight is 8148 pounds, what is their average weight? The average weight is pounds.
(b) If a random sample of 42 adult men ride the elevator, what is the probability that the maximum safe weight will be exceeded? Round the answer to at least four decimal places. The probability that the maximum safe weight will be exceeded is
(c) If a random sample of 42 adult women ride the elevator, what is the probability that the maximum safe weight will be exceeded? Round the answer to at least four decimal places.
Answers: 1
Mathematics, 21.06.2019 19:10
Which of the following is the shape of a cross section of the figure shown below
Answers: 3
Mathematics, 21.06.2019 20:30
If there is 20 dogs in the shelter and 5 dogs get homes, and then 43 more dogs come. how many dogs are there in the shelter?
Answers: 1
Mathematics, 21.06.2019 21:20
In 2009, there were 1570 bears in a wildlife refuge. in 2010, the population had increased to approximately 1884 bears. if this trend continues and the bear population is increasing exponentially, how many bears will there be in 2018?
Answers: 2
Engineers are designing a large elevator that will accommodate 42 people. The maximum weight the ele...
English, 17.07.2019 07:20
Social Studies, 17.07.2019 07:20
Social Studies, 17.07.2019 07:20
Business, 17.07.2019 07:20
History, 17.07.2019 07:20
Social Studies, 17.07.2019 07:20
English, 17.07.2019 07:20
Computers and Technology, 17.07.2019 07:20
English, 17.07.2019 07:20
Chemistry, 17.07.2019 07:20