Concept explainers
To find: The

Answer to Problem 22.15CYS
Correct answer: Option (b): 0.60.
Explanation of Solution
Reason for the correct option:
The population is defined as the collection of all individuals, outcomes, items, or objects that are of interest. Here, the population is “all female Hispanic drivers”.
The population parameter is a numerical value that represents the some characteristic of a population. Here, the population proportion (p) is “60% of all female Hispanic drivers in the Boston area wear seat belts”.
The sample proportion
Reason for the incorrect answer:
The Option (a) and Option (c) are incorrect, because the corresponding values are not representing the population proportion.
Therefore, the correct option is (b).
Introduction:
For large sample or repeated sample, the sampling distribution of the sample proportion in the sample is approximately normal. That is, the sample proportion
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Chapter 22 Solutions
Basic Practice of Statistics (Instructor's)
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