A sample of 64 observations is selected from a normal population. The sample mean is 215, and the population standard deviation

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A sample 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

Mathematics

1 answer:

faltersainse [42] · Answer 1 · 2022-05-26T17:29:04+03:00

faltersainse [42]3 years ago

7 0

Answer:

15 million

Step-by-step explanation: