Question: 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)

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. Show your work.
a. Lowest 50 percent
b. Highest 25 percent
c. 90th percentile
d. Middle 80 percent

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