The report of a seat-belt study stated that older drivers were not statistically significantly more likely than younger drivers to over-report safety belt usage. The reported results were 27.5%...

The report of a seat-belt study stated that older drivers were not statistically significantly more likely than younger drivers to over-report safety belt usage. The reported results were 27.5% versus 21.7%, withz = 1.37 andP > 1.00.

a.How do we know that the
P-value given is incorrect?

TheP-value is a probability, it can never be greater than 1.TheP-value is a probability, it is always less than 0. TheP-value is a probability, it can never be less than 1.TheP-value is a probability, it is always greater than 2.TheP-value is a probability, it can never be greater than 0.

b.What is the correct one-sided
P-value for test statistic

z = 1.37?(Round your answer to four decimal places.)

Jun 08, 2022

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The report of a seat-belt study stated that older drivers were not statistically significantly more likely than younger drivers to over-report safety belt usage. The reported results were 27.5%...

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