Question: Find the sample size necessary to construct a z-confidence interval at the given level of confidence, and within a given distance of the true population

Find the sample size necessary to construct a z-confidence interval at the given level of confidence, and within a given distance of the true population mean :

CL = 88%,? = 4, within 1 of the true population mean

Step 1: ? =

Step 2: ?/2 =

Step 3:

Find the sample size necessary to construct a z-confidence interval at the

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2. Find out if there are other reference points that can be used as reasonable alternatives.

1. Identify your reference point when making a decision based on an element of risk.

3. If there are reasonable alternatives, think about your decisions based on the different reference points and see if there are any contradictions in the decisions.