Ms. Walch works as a car salesperson. She earns a monthly base salary of $ 4,000 Plus $ 500 commission for each car she sells. H
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Answer:
The sample size must be atleast 502 to have a margin of error of 0.03
Step-by-step explanation:
We are given the following in the question:
Proportion = 0.32
Level of significance = 0.15
Margin of error = 0.03
Formula for margin of error =
We have to find the sample size such that the margin of error is atmost 0.03.
Putting values, we get,
Thus, the sample size must be atleast 502 to have a margin of error of 0.03 in approximation of proportion of people who would black out at 6 or more Gs.