Assume that a sample is used to estimate a population proportion p. Find the margin of error M.E. that corresponds to a sample of size 207 with 23.2% successes at a confidence level of 80%. M.E. = Answer should be obtained without any preliminary rounding. However, the critical value may be rounded to 3 decimal places. Round final answer to one decimal place
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Step 1
The sample proportion \( \hat{p} \) is calculated by dividing the number of successes by the total sample size. Given that there are 23.2% successes in a sample of size 207, we calculate: \[ \hat{p} = 0.232 \] Show more…
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