Mathematics, 12.11.2019 11:31, laurieburgess804

# Grace earns $7 for each car she washes. she always saves$25 of her weekly earnings. this week she wants to have at least $65 in spending money. at least how many cars must she wash?

Answers: 2

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, 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, 26.09.2019 03:30, bskyeb14579

How much time will (4,10,14,16,18) workers take to do the job?

Answers: 1

Grace earns $7 for each car she washes. she always saves$25 of her weekly earnings. this week she wa...

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