What actual score should be used as cut-off score

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a normally distributed population of scores has a mean of 1000 and a standard deviation of 64. what percentage of scores fall below a score of 872?

in a normal distribution with a mean of 10 and a standard deviation of 2, what actual score corresponds to a z-score of +1.67?

a school only accepts students with the top 20% of sat scores. the sat has a mean of 500 and a standard deviation of 100. what actual score should be used as the cut-off score?

Reference no: EM13145235

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