Mathematics, 03.04.2020 16:36 Marveon
An automatic machine in a manufacturing process is operating properly if the lengths of an important sub component are normally distributed with mean =117 cm and standard deviation =5.2 cm.
a. Find the probability that one selected sub component is longer than 120 cm.
b. Find the probability that if four subcomponents are randomly selected, their mean length exceeds 120 cm.
c. Find the probability that if four subcomponents are randomly selected, all four have lengths that exceed 120 cm.
Answers: 3
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An automatic machine in a manufacturing process is operating properly if the lengths of an important...
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