Costco Installs Automobile Tires on a First-Come First-Serve Basis

question 2

Multiple Choice

Costco installs automobile tires on a first-come first-serve basis. The total time a customer needs to wait for the installation to be completed follows the normal distribution with a mean time of 106.3 minutes and a standard deviation of 18.5 minutes. The interval around the mean that contains 68% of the wait time for customers is -----.

• A)69.3, 143.3
• B)50.8, 161.8
• C)87.8, 124.8
• D)32.3, 180.3

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Definitions:

Scheduling Appointments

The process of organizing dates and times for meetings, visits, or any professional engagement in a planned and efficient manner.

Problem

A situation, question, or matter that presents difficulty, uncertainty, or is in need of a solution.

Best Practice

Established methods or techniques that consistently show results superior to those achieved by other means, and that are used as a benchmark.

Suspicious Injuries

Injuries that raise concerns of non-accidental origin, often prompting further investigation into possible abuse, violence, or self-harm.