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A corporate Web site contains errors on 50 of 1000 pages.
Chapter 4, Problem 102E(choose chapter or problem)
Problem 102E
A corporate Web site contains errors on 50 of 1000 pages. If 100 pages are sampled randomly without replacement, approximate the probability that at least one of the pages in error is in the sample.
Questions & Answers
QUESTION:
Problem 102E
A corporate Web site contains errors on 50 of 1000 pages. If 100 pages are sampled randomly without replacement, approximate the probability that at least one of the pages in error is in the sample.
ANSWER:
Solution 102E
Step1 of 2:
Let us consider a random variable X it presents the number of errors in a corporate Web site.
Also we have n = 100 and p = 0.05.
We need to find the probability that at least one of the pages in error is in the sample.
Step2 of 2:
Let ‘X’ follows binomial distribution with parameters ‘n and p.’Then mean of the binomial distribution is: