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Binomial Probability Distribution

The Complaints Department of a popular used car dealer receives most complaints about the electrical system, particularly the starter. The department sent questionnaires to 300 owners of two-year-old, used, full-sized vehicles. The survey showed 15% of the owners had trouble with the starter. Based on the result of the survey, what is the probability that, in a sample of 12 owners,

A) exactly two owners will have starter problems.
B) at least one owner will have starter problems.

Solution Preview

This is binomial distribution
p= probability that there is starter problem= 15%
q=1-p= probability ...

Solution Summary

Probability calculations are carried out using Binomial Probability Distribution.