Question

The weekly demand for Papa Chubby’s pizzas on a Friday night is a random variable with...

The weekly demand for Papa Chubby’s pizzas on a Friday night is a random variable with mean 235 and standard deviation 10. Find the value(s) of X for each event.

WITHOUT using the EXCEL function.

a. Lowest 50 percent

b. Lowest 25 percent

c. 90th percentile

d. Middle 80 percent

Math   Statistics-And-Probability   
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Answer #1

Given and

a)Score of lowest 50 percent is

b)Score of lowest 25 percent is

c)Score of 90th percentile is

d)Middle 80 percent is between 10th percentile and 90th percentile , Score of 10th percentile is and Score of 90th percentile is

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