Consider the following hypotheses Ho: ps0.12 H1: p>0.12 Given that p 0.2, n 130,

Question

Consider the following hypotheses Ho: ps0.12 H1: p>0.12 Given that p 0.2, n 130, and ? 0.10, answer the following questions. a. What conclusion should be drawn? b. Determine the p-value for this test. a. Determine the critical value(s) of the test statistic. (Use a comma to separate answers as needed. Round to two decimal places as needed.) Calculate the test statistic. (Round to two decimal places as needed.) What conclusion should be drawn? O A. Reject Ho. There is insufficient evidence that p> 0.12 O B. Do not reject Ho. There is sufficient evidence that p> o.12 ° C. Do not reject Ho . There is insufficient evidence that p > 0.12. 0 D. Reject Ho . There is sufficient evidence that p > 0.12. b. p-value (Round to three decimal places as needed.)

Explanation / Answer

SolutionA:

alpha=0.10

Z alpha/2 =1.645

ANSWER:1.65

SolutionB:

Zp=p^-p/sqrt(p(1-p/n)

sample prop=p^=x/n=0.2

Zp=0.2-0.12/sqrt(0.12*(1-0.12)/130)

Zp=2.81

Solutionc:

Reject Ho.there is suffciient evidence that p>0.2

Solutiond:

p value=0.002

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