Exhibit 11-2

question 32

Multiple Choice

Exhibit 11-2.The manager of a video library would like the variance of the waiting times of the customers not to exceed 2.30 minutes-squared.He would like to add an additional billing counter if the variance exceeds the cut-off.He checks the recent sample data.For a random sample of 24 customer waiting times,he arrives at a sample variance of 3.8 minutes-squared.The manager assumes the waiting times to be normally distributed. Refer to Exhibit 11-2.At α = 0.05 which of the following is the critical value, ?

• A)13.091
• B)32.007
• C)35.172
• D)38.076

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A stage of life characterized by full physical development, legal responsibility for one's actions, and typically involves assuming adult roles and responsibilities.

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