Concept explainers
Tocalculate: The sample proportion of the seniors in the school plan to attend the prom.
Answer to Problem 3E
The sample proportion to attend the prom is 72%.
Explanation of Solution
Given Information:
Total population size = 750
Number of successes to go to the prom = 36
Formula Used:
Calculation:
Sample size to attend the prom = 50
Total population size = 750
Number of successes to go to the prom = 36
To find the sample proportion, use the formula.
Convert 0.72 into percentage.
Hence, the sample proportion to attend the prom is 72%.
Chapter 8 Solutions
The Practice of Statistics for AP - 4th Edition
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