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Mathematics, 26.12.2019 06:31, shaviaa
Asample of 64 observations is selected from a normal population. the sample mean is 215, and the population standard deviation is 15. conduct the following test of hypothesis using the 0.025 significance level. h0: μ ≥ 220 h1: μ < 220 is this a one- or two-tailed test? one-tailed test two-tailed test what is the decision rule? (negative amount should be indicated by a minus sign. round your answer to 2 decimal places.) what is the value of the test statistic? (negative amount should be indicated by a minus sign. round your answer to 3 decimal places.) what is your decision regarding h0? reject do not reject what is the p-value? (round your answer to 4 decimal places.) rev: 10_28_2017_qc_cs-107404 next visit question mapquestion 2 of 4 total 2 of 4 prev
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Asample of 64 observations is selected from a normal population. the sample mean is 215, and the pop...
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