One of the Leading Dot-Com Companies Has Found That the Proportion

question 129

Multiple Choice

One of the leading dot-com companies has found that the proportion of customers who come into its Web site that actually makes a purchase is 0.045. The company plans to see whether this rate still holds by selecting a random sample of 200 hits on its Web site. Given that the 0.045 rate still applies, what is the standard deviation of the sampling distribution?

• A) Approximately 0.0147
• B) About 0.0002
• C) About 0.0354
• D) Can't be determined without knowing the mean.

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Definitions:

Healthy Fast Food

Fast food offerings designed with health-conscious ingredients and preparation methods to offer healthier dining options.

Department Store

A retailer that carries many different types of merchandise (broad variety) and lots of items within each type (deep assortment); offers some customer services; and is organized into separate departments to display its merchandise.

Broad Variety

A wide range of different items, types, or choices available within a particular category or market.

Customer Service

Assistance and support provided by a company to those people who buy or use its products or services.