Question: Consider a DESIGNED STUDY aimed at estimating the unknown POPULATION PROPORTION with confidence C = 0.95 so that the margin of error would not exceed

Consider a DESIGNED STUDY aimed at estimating the unknown POPULATION PROPORTION with confidenceC= 0.95 so that the margin of error would not exceedB= 5%.

1. Indicate the critical value you are going to use

2. Determine the SMALLEST SAMPLE SIZE needed for this study

3. Find the LARGEST margin of error for a 95% confidence interval based on a sample ofn= 400 records.

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