Which is the best approximation for the solution of the system of equations?

y=-2/5x+1<...

Mathematics, 08.11.2019 13:31, drejones338p04p2p

# Which is the best approximation for the solution of the system of equations?

y=-2/5x+1

y=3x-2

answers

a.(0.45, 0.88)

b.(0.88, 0.65)

c.(0.88, 1.1)

d.(1.3, 0.88)

Answers: 1

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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

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Mathematics, 07.11.2019 00:31

Mathematics, 07.11.2019 00:31