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7.53 Assume simple random sampling. Calculate the confi-dence interval for the population total for each of...
7.53 Assume simple random sampling. Calculate the confi-dence interval for the population total for each of the following.
a. N = 1325; n = 121; s = 20; x = 182; 95% confidence
level
b. N = 2100; n = 144; s = 50; x = 1,325; 98% confidence leve
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