The Jackson Machine Company Has Four Cutting Tools That Need

question 20

Multiple Choice

The Jackson Machine Company has four cutting tools that need to be refurbished after an average of 30 hours, according to an exponential distribution. The single machine that refurbishes the tools needs 15 hours for each tool on the average, with exponential service times.
-Use the information in Scenario C.6.What is the probability that there will be no tools in the system?

• A) Less than or equal to 0.09
• B) Greater than 0.09 but less than or equal to 0.13
• C) Greater than 0.13 but less than or equal to 0.17
• D) Greater than 0.17

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Definitions:

Standard Deviations

A measure of the amount of variation or dispersion of a set of values relative to the mean.

Null Hypothesis

A hypothesis that suggests there is no statistical significance in the expected outcome of a study.

Research Hypothesis

A specific, testable prediction about what you expect to happen in your study.

Hiring Preferences

The inclinations or biases employers have towards certain characteristics, qualifications, or traits of applicants when making hiring decisions.