The Manager of a Video Library Would Like the Variance

question 39

Multiple Choice

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.Which of the following would be null and the alternate hypothesis to test if the cut-off is surpassed?

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Definitions:

Events

Occurrences or activities that take place at a certain time and place, often organized for a specific purpose.

Day View

A calendar view option that shows the schedule or appointments of a single day.

Meeting Organizer

The individual responsible for coordinating the details and logistics of a meeting, such as time, place, and agenda.

Calendar Item Status

The current condition or progression of an event or task within a calendar, such as pending, completed, or cancelled.