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The patient recovery time from a particular surgical procedure ls normally distributed with a mean 015.4 days and a standard deviation of 2.1 days. (a) What is the median recovery time? 0 7.5 O 2.1 O 2.7 O 5.4 (b) What is the modal recovery time? 0 2.7 O 2.1 O 5.4 O 7.5 (c) What is the zscore for a patient who takes nine days to recover'? O 6.9 O 0.6 O 1.7 O 1.3 Yoonie is a personnel manager in a large corporation. Each month she must review 17 of the employees. From past experience, she has found that the reviews take her approximately 3 hours each to do with a population standard deviation of 0.8 hours. Let X be the random variable representing the time it takes her to complete one review. Assume X is normally distributed. Let X be the random variable representing the mean time to complete the 17 reviews. Assume that the 17 reviews represent a random set of reviews. (a) What is the mean, standard deviation, and sample size? Mean = ' Number 1 Standard Deviation : [ Number Sample Size : I Number I (b) Complete the distributions. Round all decimals to four decimal places. X n. i click lorl:lst ' \"I Number ],[l\\lun1ber r b X N CIICk'DrLIsl v ]([Number ,' Number )