Answer:
Step-by-step explanation:
Age: Frequency:
50-54 2
55-59 5
60-64 3
65-69 3
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Using the Central Limit Theorem, it is found that the mean of the sampling distribution of sample proportions is 0.37.
The <em>Central Limit Theorem</em> establishes that, for a <u>proportion p in a sample of size n</u>, the sampling distribution of sample proportions has:
- Mean
.
- Standard error
For this problem, about 37% of high school seniors have vaped in the past year, hence .
- Then, the mean of the sampling distribution of sample proportions is 0.37.
For more on the Central Limit Theorem, you can check brainly.com/question/4086221