Step-by-step explanation:
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Answer:
7%
Step-by-step explanation:
Given Data:
mean =$1000
standard deviation s = $370
number of employee n 80
weekly salary at most of $75
the value of z can be determined
z = 1.81
From standard table of z
P(z > 1.81) = 0.035
P(condition described) = 2*0.035 = 7%
Z DISTRIBUTION