A report summarized the results of a survey of 306 U.S. businesses. Of these companies, 202 indicated that they monitor employees' web site visits. For purposes of this exercise, assume that it is...

A report summarized the results of a survey of 306 U.S. businesses. Of these companies, 202 indicated that they monitor employees' web site visits. For purposes of this exercise, assume that it is reasonable to regard this sample as representative of businesses in the United States.

(a)

Is there sufficient evidence to conclude that more than 60% of U.S. businesses monitor employees' web site visits? Test the appropriate hypotheses using a significance level of 0.01.

Find the test statistic andP-value. (Round your test statistic to two decimal places and yourP-value to four decimal places.)

z	=
P-value	=

State your conclusion.

RejectH
₀. We do not have convincing evidence that more than 60% of U.S. businesses monitor employees' web site visits.RejectH
₀. We have convincing evidence that more than 60% of U.S. businesses monitor employees' web site visits. Fail to rejectH
₀. We have convincing evidence that more than 60% of U.S. businesses monitor employees' web site visits.Fail to rejectH
₀. We do not have convincing evidence that more than 60% of U.S. businesses monitor employees' web site visits.

(b)

Is there sufficient evidence to conclude that a majority of U.S. businesses monitor employees' web site visits? Test the appropriate hypotheses using a significance level of 0.01.

Find the test statistic andP-value. (Round your test statistic to two decimal places and yourP-value to four decimal places.)

z	=
P-value	=

State your conclusion.

RejectH
₀. We do not have convincing evidence that a majority of U.S. businesses monitor employees' web site visits.Fail to rejectH
₀. We have convincing evidence that a majority of U.S. businesses monitor employees' web site visits. RejectH
₀. We have convincing evidence that a majority of U.S. businesses monitor employees' web site visits.Fail to rejectH
₀. We do not have convincing evidence that a majority of U.S. businesses monitor employees' web site visits.

Jun 08, 2022

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A report summarized the results of a survey of 306 U.S. businesses. Of these companies, 202 indicated that they monitor employees' web site visits. For purposes of this exercise, assume that it is...

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