Suppose the prices of the top smartphones of 2014 are

Suppose the prices of the top smartphones of 2014 are normally distributed with a mean of $533 and a standard deviation $76.

a. Calculate the z-score that corresponds to a price of $592.

b. What percent of smartphones are priced less than $487?

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Suppose the prices of the top smartphones of 2014 are : suppose the prices of the top smartphones of 2014 are normally distributed with a mean of 533 and a standard deviation

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