﻿ 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:
, 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

### Other questions on the subject: Mathematics

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