A Quality Manager in a Small Manufacturing Company Wants to Estimate

question 74

Multiple Choice

A quality manager in a small manufacturing company wants to estimate the proportion of items produced by a very specialized process that fail to meet a customer's specification.Because it is very expensive to determine if an item produced by the process meets the specification,only a very small number of items can be tested.A random sample of 15 items was selected,and in the sample three of them failed.At the 98% confidence level,what is the margin of error in the plus four estimate of p?

• A)0.198
• B)0.023
• C)0.235
• D)0.261
• E)Not within ± 0.01 of any of the above

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Definitions:

Query Language

A specially designed computer language used to manipulate data in or extract data from a database.

Structured Query Language

A programming language designed for managing and manipulating relational databases through executing queries, updating data, and managing database objects.

Producers

Organisms, typically plants, that synthesize food from inorganic substances and solar energy, serving as the base of the food chain.

Consumers

Organisms that obtain energy by feeding on other organisms or organic matter because they cannot produce their own food.