What is the value of the expression if z = 27? 1
7
g21
Z- 18+
+32
O 12
O 30
O 48
84

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? 0.62 0.78 0.84 0.96