The records of a computer retail store show that out of the 100 customers who purchased a desktop...
Question:
The records of a computer retail store show that out of the 100 customers who purchased a desktop computer last month, all but 33 also purchased a service plan that extends the warranty for an extra year. Out of the 20 customers who purchased a notebook computer last month, all but 5 purchased the same service plan.
Binomial Distribution:
A binomial distribution is a distribution of a discrete variable. It is represented by the number of independent trials (n) and the probability of obtaining success (p) in the experiment, where success means the event desired by the experimenter.
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Of customers who purchased a desktop, the probability of purchasing a service plan, {eq}p = 0.33 {/eq}
Sample size, {eq}n = 20 {/eq}
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