The human resources manager at a company records the length, in hours, of one shift at work, X. He creates the probability
distribution below. What is the probability that a worker chosen at random works at least 8 hours?
Probability Distribution
Px)
Ghours
7 hours
8 hours
9 hours
hour
0.62
0.78
DOA
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You need to solve a system of equations. you decide to use the elimination method. which of these is not allowed? 3x - 2y = 7 3x + 4y = 17 equation 1 equation 2

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