A hypothesis will be used to test that a population mean equals 5 against the alternative that the population mean is less than 5 with known variance . What is the critical value for the test statistic for the significance level of 0.01
1 answer:
Answer:
For the significance level of 0.01, the critical value for the test statistic is 2.326.
Step-by-step explanation:
Null hypothesis: population mean equals 5.
Alternate hypothesis: population mean is less than 5.
The test is a one-tailed test because the alternate hypothesis is expressed using less than.
For a one-tailed test, the critical value of the test statistic for the significance level of 0.01 is 2.326.
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