Question: Figure the 95% confidence interval (that is, the lower and upper confidence limits) for each part of problem 2. Assume that in each case the

Figure the 95% confidence interval (that is, the lower and upper confidence limits) for each part of problem 2. Assume that in each case the researcher's sample has a mean of 100 and that the population of individuals is known to follow a normal curve.
(a) 2.
(b) 3.
(c) 4.
(d) 9.

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