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The distribution of scores on a recent test closely followed a Normal Distribution with a...

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Algebra

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The distribution of scores on a recent test closely followed a Normal Distribution with a mean of 22 points and a standard deviation of 2 points For this question DO NOT apply the standard deviation rule a What proportion of the students scored at least 27 points on this test rounded to five decimal places 0 00621 I A b What is the 80 percentile of the distribution of test scores rounded to three decimal places

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