Question

The average waiting time in a busy hospital is 4.8 hours. Assume that the waiting times...

The average waiting time in a busy hospital is 4.8 hours. Assume that the waiting times are normally distributed with variance of 2.1 square hours.

(a) Find the waiting time corresponding to the 10% percentile

(b) Find the waiting time corresponding to the first quartile

(c) Find the waiting time corresponding to the third quartile

Math   Statistics-And-Probability   
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Answer #1

Values used to calculate 1st and 3rd quartile are z values corresponding to probability 0.25 and 0.75 in normal table..

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