Calculate the p-value for the following conditions and a) one-tail (upper) test,

Question

Calculate the p-value for the following conditions and a) one-tail (upper) test, #251, and = 0.10 b) one-tail (ower) test, zp =-0.71, and -o05 c) two-tail test, z,--2.69, and -o05 d)two-tail test, #225, and #0.02 determine whether or not to reject the null hypothesis a) p-value= (Round to four decimal places as needed.) Determine whether or not to reject the null hypothesis. Choose the correct answer below A. Reject Ho, since the p-value is greater than or equal to the significance level O B. Do not reject Ho, since the p-value is greater than or equal to the significance level. C. Reject Ho, since the p-value is less than the significance level . 0 D. Do not reject Ho-since the p-value is less than the significance level . b) p-value-a (Round to four decimal places as needed.) Determine whether or not to reject the null hypothesis. Choose the correct answer below. A. Do not reject HO, since the p-value is less than the significance level . O B. Do not reject Ho, since the p-value is greater than or equal to the significance level . O C. Reject Ho, since the pvalue is less than the significance level 0 D. Reiect Ho, since the p-value is greater than or equal to the significance level c) p-value = (Round to four decimal places as needed ) Determine whether or not to reject the null hypothesis. Choose the correct answer below Click to select your answers). MacBook 4 6

Explanation / Answer

The p-values here along with the decision for the null hypothesis here is computed as:

Test p-value Decision Answer One tailed = P(Z > 2.51) = 0.006 Reject H0 because p-value here is less than 0.1 C One tailed = P(Z < -0.71) = 0.2389 Do not reject H0 because p-value is greater here B Two tailed = 2P(Z<2.69) = 2*0.0036 = 0.0072 Reject H0 because p-value here is less than 0.05 C Two tailed = 2P(Z > 2.25) = 2*0.0122 = 0.0244 Do not reject H0 because p-value is greater here B

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