Use the Normal Approximation to the Binomial Distribution to Answer

question 154

Multiple Choice

Use the normal approximation to the binomial distribution to answer this question. Fifteen percent of all students at a large university are absent on Mondays. If a random sample of 12 names is called on a Monday, what is the probability that four students are absent?

• A)0.0683
• B)0.0213
• C)0.0021
• D)0.1329

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Definitions:

Internal Nares

Openings inside the nose that connect the nasal cavity to the back of the throat.

Choanae

The internal nostrils located at the back of the nasal cavity in vertebrates, connecting the nasal passages to the throat.

Primary Bronchus

One of the two main branches of the trachea that lead directly into the lungs, conducting air in and out.

Secondary Bronchus

A branch of the primary bronchus that further divides into smaller airways in the lungs, known as tertiary bronchi.