If n=520 and ˆ p (p-hat) =0.83, find the margin of error at a 90% confidence level Give your answer to three decimals
Added by Kenia R.
Step 1
The formula for the standard deviation of a proportion in a population (σp) is: σp = sqrt [ P(1 - P) / n ] where: - P is the proportion of the population which has the feature in question (in this case, ˆp = 0.83) - n is the size of the population (in this case, Show more…
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