Mathematics, 18.10.2019 07:00, mariahbrooks

# At technology cyber charter school, each of the ninth grade homerooms has the same number of students and one teacher. on the last day of school, each student created a card for each of the other students in their class.

the expression 14s(s-1) can be used to find the total number of cards created by the ninth grade students. based on the given information, which of the following statements must be true? select all that apply.

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

At technology cyber charter school, each of the ninth grade homerooms has the same number of student...

Mathematics, 10.01.2020 13:31

English, 10.01.2020 13:31

Biology, 10.01.2020 13:31

Mathematics, 10.01.2020 13:31

Mathematics, 10.01.2020 13:31