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  3. a normal distribution has a mean of 15 and a stand

A normal distribution has a mean of 15 and a standard deviation of 4 . Use...

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Basic Math

A normal distribution has a mean of 15 and a standard deviationof 4 . Use the? 68-95-99.7 rule to find the percentage of values inthe distribution between 15 and 23 .

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This rule says thatApproximately 68 of the values lie within 1 standard deviationof the mean In statistical notation this is    See Answer
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