A Catalog Company That Receives the Majority of Its Orders

question 173

Multiple Choice

A catalog company that receives the majority of its orders by telephone conducted a study to determine how long customers were willing to wait on hold before ordering a product.The length of waiting time was found to be a variable best approximated by an exponential distribution with a mean length of waiting time equal to 3 minutes (i.e.the mean number of calls answered in a minute is ) .Find the waiting time at which only 10% of the customers will continue to hold.

• A)2.3 minutes
• B)3.3 minutes
• C)6.9 minutes
• D)13.8 minutes

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Definitions:

Epithelial Tissue

A type of tissue that lines the cavities and surfaces of blood vessels and organs throughout the body, providing protection, absorption, and secretion.

Connective Tissue

Connective tissue supports, binds together, and protects tissues and organs of the body with various types including loose, dense, cartilage, bone, and blood.

Muscle Tissue

Specialized tissue composed of cells or fibers that contract to produce movement or maintain the posture of the body.

Histology

Science that deals with the microscopic structure of cells, tissues, and organs in relation to their function.