The Production Department Has Installed a New Spray Machine to Paint

question 48

Multiple Choice

The production department has installed a new spray machine to paint automobile doors. As is common with most spray guns, unsightly blemishes often appear because of improper mixture or other problems. A worker counted the number of blemishes on each door. Most doors had no blemishes; a few had one; a very few had two; and so on. The average number was 0.5 per door. The distribution of blemishes followed the Poisson distribution. Out of 10,000 doors painted, about how many would have no blemishes?

• A) About 6,065
• B) About 3,935
• C) About 5,000
• D) About 500

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Definitions:

Dwell Time

In medical contexts, the period a catheter or other medical device remains inserted in the body; in general, it refers to the amount of time something remains in a particular condition or position.

Abdomen

The region of the body between the chest and pelvis, containing primarily digestive organs.

Urge Incontinence

A urinary disorder characterized by a sudden, intense urge to urinate, followed by an involuntary loss of urine.

Kegel Exercises

A series of pelvic floor exercises designed to strengthen the muscles of the pelvic floor.