Suppose the Light Bulbs in a Factory Burn Out at a Rate

question 250

Multiple Choice

Suppose the light bulbs in a factory burn out at a rate of 50 bulbs per month.Which of the following distributions would you use to determine the probability that the next two light bulbs will burn out 2 days apart?

• A)Hypergeometric distribution.
• B)Poisson distribution.
• C)Uniform distribution.
• D)Exponential distribution.

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Definitions:

Covariance

A measure used to determine how two variables change together, indicating the direction of the relationship.

Variance

A statistical measurement of the dispersion of data points in a data set around the mean, indicating the extent to which the numbers differ from each other.

Correlation Coefficient

A statistical measure that determines the degree to which two variables move in relation to each other, where +1 indicates a perfect positive correlation and -1 indicates a perfect negative correlation.

Correlation Coefficient

The correlation coefficient is a statistical measure that calculates the strength and direction of a linear relationship between two variables on a scale of -1 to 1.