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find z scores from known areas

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Find the two z scores in the standard normal distribution that define the middle 70% of the area under the curve. ( Round answer to the nearest hundredth decimal place).

Apr 12th, 2015

It would be 70% on the right side of the normal curve which corresponds to a Z score of 0.52

and 30% on the left side which corresponds to a Z score of -0.52

Apr 12th, 2015

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Apr 12th, 2015
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Apr 12th, 2015
Dec 9th, 2016
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