The Number of Television Sets Produced from an Assembly Line

question 29

Multiple Choice

The number of television sets produced from an assembly line each day is known to have a standard deviation of 17.4 sets per day.The production line averaged 452.3 sets per day for 20 randomly selected days.Which of the following represents a 95% confidence interval for the population mean number of sets per hour?

• A)452.3 ± 9.4
• B)452.3 + 11.3
• C)452.3 ± 13.8
• D)452.3 ± 7.63

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Definitions:

Alternative Hypotheses

In hypothesis testing, statements that are accepted if the evidence provides sufficient support for them being true, as opposed to the null hypothesis.

Low Income Housing

Housing units that are affordable for individuals or families with low yearly income, often supported by government programs.

Commute

The process of traveling between one's place of residence and place of work or study.

P-value

The probability of obtaining a test statistic at least as extreme as the one observed, assuming the null hypothesis is true.