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Business & Finance homework help

Business & Finance homework help.

Historical data show that customers who download music from a popular Web service spend approximately ​$21 per​ month, with a standard deviation of ​$3. Assume the spending follows the normal probability distribution. Find the probability that a customer will spend at least ​$17 per month. How much​ (or more) do the top ​11% of customers​ spend? What is the probability that a customer will spend at least ​$17 per​ month?

Business & Finance homework help

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