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The Distribution of Hourly Sales for a Local Family Owned

Question 65

Multiple Choice

The distribution of hourly sales for a local family owned store is normally distributed with a mean of $225 per hour and a standard deviation of $75 per hour. Which of the following intervals contains the middle 95% of hourly sales?


A) $75 to $375
B) $150 to $300
C) $175 to $275
D) $125 to $325

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