A decision-maker wishes to test the null anerative hypotheses shown to the right using an alpha level equal to 0,05. The

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A Decision Maker Wishes To Test The Null Anerative Hypotheses Shown To The Right Using An Alpha Level Equal To 0 05 The 1 (18.9 KiB) Viewed 95 times

A decision-maker wishes to test the null anerative hypotheses shown to the right using an alpha level equal to 0,05. The population standard deviations are assumed to be knowter the sample data are collected the test statistic is computed to be z243. Complete parts a through c below Ho: Hi-H2=0 HA-220 a. Using the test statistic approach, what conclusion should be reached about the null hypothesis? Determine the critical value(s) for a -0.05. Select the correct choice below and fill in the answer box to complete your choice. (Round to two decimal places as needed.) O A T- OB. 12/27 OC --