Legalize Marijuana, Part II. As discussed in Exercise 6.12, the 2010 General Social Survey reported a sample where about 48% of US residents thought marijuana should be made legal. If we wanted to limit the margin of error of a 95% confidence interval to 2%, about how many Americans would we need to survey

Around 2397 Americans must be surveyed to get a margin of error of 2%.

Step-by-step explanation:

We are given the following in the question:

Proportion of US residents who thinks marijuana should be made legal = 48%

We have to construct a 95% confidence interval.

Margin of error = 2% = 0.02

Formula for margin of error =

Putting values, we get,

Thus, around 2397 Americans must be surveyed to get a margin of error of 2%.

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step-by-step explanation:

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