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jfarrar02
27.01.2020 •
Mathematics
Solving equations with variables on both sides
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Ответ:
For example
n3*3 = n81/9
You do not need to know n to solve the equation
Ответ:
Ответ:
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%.