CB.Stats.UNC-4.C: Determine the margin of error for a given sample size and an estimate for the sample size that will result in a given margin of error for a population proportion.

Determine the margin of error for a given sample size and an estimate for the sample size that will result in a given margin of error for a population proportion.

Example Problems
A game studio wants to make a one-sample -interval to estimate the proportion of Minecraft players who play on a mobile device. They want the margin of error to be no more than at confidence.

What is the smallest sample size required to obtain the desired margin of error?
A high school basketball coach wants to make a one-sample interval to estimate the proportion of students who attend home games. She wants the margin of error to be no more than at confidence.

What is the smallest sample size required to obtain the desired margin of error?
A swim team wants to make a one-sample -interval to estimate the proportion of swimmers who would prefer practice in the morning. They want the margin of error to be no more than at confidence.

What is the smallest sample size required to obtain the desired margin of error?
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