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mars1129 [50]
3 years ago
11

A hypothesis will be used to test that a population mean equals 10 against the alternative that the population mean is less than

10 with known variance . What is the critical value for the test statistic for the significance level of 0.025? Round your answer to two decimal places (e.g. 98.76).
Mathematics
1 answer:
Nonamiya [84]3 years ago
4 0

Answer:

Lets take the hypothesis

<em>zα/2 </em>

<em>- zα/2 </em>

Step-by-step explanation:

<em>α/2 = 0.10/2 = 0.05 </em>

<em>z(0.05) = 3.92 </em>

<em>-z(0.05) = -3.92 </em>

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