how much time t should be budgeted for sick leave during the next month if t is to be exceeded with probability of only 20%.

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.2: Expected Value And Variance Of Continuous Random Variables
Problem 10E
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(a) Evaluate the probabilities within both binomially distributed and normally distributed
the random variables. Justify with demos.
If sick-leave time X used by employees of a company in one month is (very roughly)
normal with mean 1000 hours and standard deviation 100 hours, how much time t should be budgeted for sick leave during the next month if t is to be exceeded with probability of
only 20%.

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