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Conduct the following test at the a=0.01 level of significance by determining(a) the null and alternative...

Conduct the following test at the a=0.01 level of significance by determining(a) the null and alternative hypotheses, (b) the test statistic, and (c) the P-value. Assume that the samples were obtained independently using simple random sampling.

Test whether P1 not equals P2. Sample data are x1=28, n1= 255, x2=38 and n2=302

(a) Determine the null and alternative hypotheses. Choose the correct answer.

a. ho:p1=0 versus h1:p1=0 B. Ho:P1=p2 versus H1:P1>P2 c. Ho:P1=P2 verses H1:p1<P2 D. Ho:P1=P2verses Hi:P1 =/P2

(B) the test statistic Zo is_______________(round to two decimal places

(C) The P-value is__________________(round to three decimal places)

Test the null hypothesis. Choose the correct conclusion

a. Reject the null hypothesis because there is sufficient evidence to conclude that P1=/P2

b. Do not reject the null hypothesis because there is sufficient evidence to conclude that P1>P2.

c Reject the null hypothesis because there is not sufficient evidence to conclude that P1<P2

d. Do not reject the null hypothesis because there is not sufficient evidence to conclude that P1=/P2.

Math   Statistics-And-Probability   
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Answer #1

Ho:P1=P2verses Hi:P1 =/P2

b) test statistic Zo is= -0.58

c) The P-value is 0.562

d. Do not reject the null hypothesis because there is not sufficient evidence to conclude that P1=/P2.

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