Mathematics, 08.11.2019 13:31, Satoetoe24

# Abox of pens contains only red pens and blue pens. the ratio of the number of red pens to the total number of pens in the box is 1: 4. which of the following statements cannot be true about the pens in the box? a. for every red pen, there are 4 blue pens. b. for every 5 red pens, there are 15 blue pens. c. if there are 60 pens in the box, 15 are red. d. if there are 24 pens in the box, 18 are blu

Answers: 1

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

Abox of pens contains only red pens and blue pens. the ratio of the number of red pens to the total...

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