AnswersAQR_A_ICTesting a Claim about a Difference between Proportions

Testing a Claim about a Difference between Proportions Answers

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What is the value of the standardized test statistic, P-value, and conclusion for this test?If needed, use the z-table to answer the question.

A
z = 0.17, P-value = 0.056, reject H0.
B
z = −1.92, P-value = 0.028, fail to reject H0.
C
z = 0.17, P-value = 0.056, fail to reject H0.
D
z = –1.92, P-value = 0.028, reject H0.
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For this test, z = –2.58 and the P-value = 0.0049.

Answers:
Because the P-value of 0.0049 = 0.05, we H0. We convincing evidence that the proportion of printers that would jam while printing 2-sided on regular paper the proportion that would jam while printing:is less than
Because the P-value of 0.0049 = 0.05, we H0. We convincing evidence that the proportion of printers that would jam while printing 2-sided on regular paper the proportion that would jam while printing:reject
Because the P-value of 0.0049 = 0.05, we H0. We convincing evidence that the proportion of printers that would jam while printing 2-sided on regular paper the proportion that would jam while printing:have
Because the P-value of 0.0049 = 0.05, we H0. We convincing evidence that the proportion of printers that would jam while printing 2-sided on regular paper the proportion that would jam while printing:is less than

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