A Distribution of Service Times at a Waiting Line Indicates

question 46

Essay

A distribution of service times at a waiting line indicates that service takes 12 minutes 30 percent of the time and 14 minutes 70 percent of the time. Prepare the probability distribution, the cumulative probability distribution, and the random number intervals for this problem.

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Definitions:

Control Limits

The boundaries in a control chart within which a process metric is considered to be in a state of control; exceeding these limits signals a potential problem or variability.

Sample Range

The difference between the largest and smallest values in a statistical sample, used as a measure of statistical dispersion or variability.

Sample Size

The number of observations or data points that are selected from a larger population for the purpose of statistical analysis.

Control Limits

Statistical boundaries within a control chart that represent the acceptable range of variation in a process.