A researcher conducts a hypothesis test using a sample from an unknown population. if the t statistic has df = 30, how many indi
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Answer:
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%.
ANSWER
EXPLANATION
Given the points P(2,-1) and Q(-9,-6),the coordinates of the point that partition the directed line segment PQ in the ratio 3:2 is given by
Where m=3 and n=2
The point is