Business, 22.07.2019 02:30 ariloveshorses

Yoonie is a personnel manager in a large corporation. each month she must review 16 of the employees. from past experience, she has found that the reviews take her approximately four hours each to do with a population standard deviation of 1.2 hours. let χ be the random variable representing the time it takes her to complete one review. assume χ is normally distributed. let 9 o be the random variable representing the mean time to complete the 16 reviews. assume that the 16 reviews represent a random set of reviews. 1. what is the mean, standard deviation, and sample size? 2. complete the distributions. a. x ~ b. 9 o ~

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