Mathematics, 30.06.2020 09:01, pettitchristy1

# Which of the following is the standard deviation of the random variable...

Which of the following is the standard deviation of the random variable x, the
number that appears on a die, if the probability of any number on a fair, 10-

sided die is 1/10

A. 5.2

B. 3.028

C. 2.872

D. 0.1

sided die is 1/10

A. 5.2

B. 3.028

C. 2.872

D. 0.1

Answers: 3

Mathematics, 09.03.2020 13:49, cpalabamagirl2595

23) 84% of a contractor’s jobs involves electrical work. 75% of a contractor’s jobs involve plumbing work. Of the jobs that involve plumbing, 90% of the jobs also involves electrical work. Let E = jobs involving electrical work L = jobs involving plumbing work Suppose one of the contractor’s jobs is randomly selected. Using the sixth Excel worksheet, a) Find P(E). 0.84 b) Find P(L). 0.75 c) In words, what does E | L mean? d) Find P(E | L). e) Find P(E and L). f) Are E and L independent events? Why or why not? g) Find P(E or L). h) Are E and L mutually exclusive? Why or why not

Answers: 3

Mathematics, 09.03.2020 13:41, romedome15

The triangle shown below has an area of 12. find x

Answers: 1

Mathematics, 09.03.2020 13:41, donahueno1753

The mean and median of 100 observations are 50 and 52 respectively. The value of the largest observation is 100. It was later found that it is 110. Find the true mean and median.

Answers: 3

Mathematics, 21.06.2019 16:30, cameronbeaugh

The ratio of men to women working for a company is 4 to 5 . if there are 90 women working for the company, what is the total number of employees?

Answers: 1

Which of the following is the standard deviation of the random variable x, the
number that appears...

English, 17.07.2019 19:00