According to a report of the Nielsen Company, 76% of Internet searches used the Google search engine.

Question:

According to a report of the Nielsen Company, 76% of Internet searches used the Google search engine. Assume that a sample of 25 searches is studied.

a. What is the probability that exactly 20 of them used Google?

b. What is the probability that 15 or fewer used Google?

c. What is the probability that more than 20 of them used Google?

d. Would it be unusual if fewer than 12 used Google?

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For  book-img-for-question

Elementary Statistics

ISBN: 9781259969454

3rd Edition

Authors: William Navidi, Barry Monk

Question Posted: