Mathematics, 31.03.2020 05:02 22nathanieltimms
The capacity of an elevator is 10 people or 1730 pounds. The capacity will be exceeded if 10 people have weights with a mean greater than 1730 divided by 10 equals 173 pounds. Suppose the people have weights that are normally distributed with a mean of 175 lb and a standard deviation of 31 lb.
a. find the probability that if a person is randomly selected, his weight will be greater than 176 pounds.
The probability is approximately ___
b. Find the probability that 10 randomly selected people will have a neam that is greater than 176 pounds.
Statistics and Probability
The probability is approximately ___
c. Does the elevator appear to have the correct weight limit?
Answers: 3
Mathematics, 21.06.2019 16:50, jennamae9826
Its worth 10000000 points need asap if you answer correctly ill mark brainliest
Answers: 1
Mathematics, 21.06.2019 18:40, ferny5106
Dexter read 11 science fiction books and 5 history books. lena read 9 science fiction books and 4 history books. compare the students’ ratios of science fiction books to history books. 1. determine the ratios’ form: science fiction books to history books 2. write the ratios as fractions: dexter: 115; lena: 94 3. rewrite with a common denominator. 4. compare. 5. answer the question. determine which shows the correct comparison of the ratios for this problem.
Answers: 1
The capacity of an elevator is 10 people or 1730 pounds. The capacity will be exceeded if 10 people...