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Refer to Exercise 9 15 If the population of women’s heights is not normally distributed which, if any, of the questions can you answer Explain 917 An automatic machine in a manufacturing process

Refer to Exercise 9.15. If the population of women’s heights is not normally distributed, which, if any, of the questions can you answer? Explain. 9.17 An automatic machine in a manufacturing process is operating properly if the lengths of an important subcomponent are normally distributed with mean = 117 cm and standard deviation = 5.2 cm. a. Find the probability that one selected subcomponent 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.

Jun 22 2020 View more View Less

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