Google it: According to a recent report, 66% of Internet searches in a particular month used the Google search engine. Assume that a sample of 21 searches is studied. Round the answers to at least four decimal places.Part 1 of 4 (a) What is the probability that exactly 18 of them used Google? The probability that exactly 18 of them used Google is . Part 2 of 4 (b) What is the probability that 13 or fewer used Google? The probability that 13 or fewer used Google is . Part 3 of 4 (c) What is the probability that more than 18 of them used Google? The probability that more than 18 of them used Google is . Part 4 of 4 (d) Would it be unusual if fewer than 10 used Google? It ▼(Choose one) be unusual if fewer than 10 used Google since the probability is .

According to a recent report,Let be the number of Internet searches in a particular month used the…

Answered: Google it: According to a recent…

College Algebra

10th Edition

ISBN:9781337282291

Author:Ron Larson

Publisher:Ron Larson

Chapter8: Sequences, Series,and Probability

Section: Chapter Questions

Problem 18T: You attend a karaoke night and hope to hear your favorite song. The karaoke song book has 300...

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Question

Google it: According to a recent report,

66%

of Internet searches in a particular month used the Google search engine. Assume that a sample of

searches is studied. Round the answers to at least four decimal places.

Part 1 of 4

(a) What is the probability that exactly

of them used Google?

The probability that exactly

of them used Google is

Part 2 of 4

(b) What is the probability that

or fewer used Google?

The probability that

or fewer used Google is

Part 3 of 4

of them used Google?

The probability that more than

of them used Google is

Part 4 of 4

(d) Would it be unusual if fewer than

used Google?

It ▼(Choose one) be unusual if fewer than

used Google since the probability is

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In Example 8, what is the probability that an employee chosen at random has 30 or more years of service?
You attend a karaoke night and hope to hear your favorite song. The karaoke song book has 300 different songs (your favorite song is among them). Assuming that the singers are equally likely to pick any song and no song repeats, what is the probability that your favorite song is one of the 20 that you hear that night?

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