The weekly demand for Rosa's pizzas on a Friday night is a normally distributed random variable with
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Question:
- The weekly demand for Rosa's pizzas on a Friday night is a normally distributed random variable with mean 235 and standard deviation 10. Show your work.(15 points)
- Find the probability that demand exceeds 220.
- Find the probability that demand is between 230 and 245.
- Find the probability that demand is less than 225 or more than 250.
- Find the number of pizzas demanded at the first Quartile.
- Suppose the store wants to make sure they are able to meet demand 90% of the time, how many pizzas should they bake?
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