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Home Q & A Board Science-Related Homework Help Mathematics
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peach3379 peach3379
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10 years ago
A popular retail store knows that the purchase amounts by its customers is a random variable that follows a normal distribution with a mean of $30 and a standard deviation of $9.

What is the probability that a randomly selected customer will spend between $20 and $35 at this store?
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sci_expertsci_expert
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10 years ago
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