Use the Normal to Model the Distribution of Sample Proportions

question 15

Multiple Choice

Use the Normal to model the distribution of sample proportions.
-The owner of a pet store is trying to decide whether to discontinue selling specialty
Clothes for pets. She suspects that only 4% of the customers buy specialty clothes for
Their pets and thinks that she might be able to replace the clothes with more profitable
Items. In a typical day there are 275 customers. Which of the following statements is
(are) true about the sampling distribution of the sample proportion of customers who buy
Specialty clothes for their pets at this store?

• A) The sampling distribution can be described a Normal model.
• B) The mean of the sampling distribution is 0.04.
• C) The standard deviation of the sampling distribution is 0.012.
• D) All of the above.
• E) None of the above.

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Definitions:

Inventories

The raw materials, work-in-process products, and finished goods that a company holds for the purpose of sale in the near future.

Manufacturing Firms

Companies that produce goods using raw materials and various processes and machinery, often involving large-scale production.

Retailers

Businesses that sell goods or commodities directly to consumers, often from physical locations or through online platforms.