A population has standard deviation =σ17.2 .   Part 1 of 2       (a) How large a sample must be drawn so that a 99% confidence interval for μ will have a margin of error equal to 4.4 ? Round the critical value to no less than three decimal places. Round the sample size up to the nearest integer.     A sample size of   is needed to be drawn in order to obtain a 99% confidence interval with a margin of error equal to 4.4 .

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A: Step 1: Givenn=33xˉ=24.5σ=4.4 Step 2: Calculate the standard error.SE=n​σ​SE=33​4.4​SE=0.76594 Step…

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