Thousands of Batteries Are Produced Every Day in a Certain

question 73

Multiple Choice

Thousands of batteries are produced every day in a certain manufacturing plant.The quality control specialist is interested in how long it takes for each battery to fail when used in a moderately sized appliance,like a portable radio or CD player.Which of the following probability distributions is most appropriate to model the time until failure of these batteries?

• A)The uniform distribution
• B)The Normal distribution
• C)The binomial distribution
• D)The Weibull distribution

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Definitions:

Sampling Distribution

The probability distribution of a statistic based on a random sample, describing how that statistic varies in different samples.

Standard Deviation

A statistic that quantifies the amount of variation or dispersion of a set of data values from the mean.

Freshman Class

The group of students collectively beginning their first year of higher education or high school.

Standard Error

A measure of the statistical accuracy of an estimate, commonly the standard deviation of the sampling distribution of a statistic.