Estimate the mean score, You want to estimate the mean

Estimate the mean score

Reference no: EM13201677

Suppose that scores of men aged 21 to 25 years on the quantitative part of the National Assessment of Educational Progress (NAEP) test follow a Normal distribution with standard deviation σ = 60. You want to estimate the mean score within ±10 with 90% confidence. How large an SRS of scores must you choose? Give your answer as a whole number.

Reference no: EM13201677

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