To test H0: = 0.35 versus H1: 6 0.35, a random sample of size n

Question:

To test H0: σ = 0.35 versus H1: σ 6 0.35, a random sample of size n = 41 is obtained from a population that is known to be normally distributed.
(a) If the sample standard deviation is determined to be s = 0.23, compute the test statistic.
(b) If the researcher decides to test this hypothesis at the α = 0.01 level of significance,
determine the critical value.
(c) Draw a chi-square and depict the critical region.
(d) Will the researcher reject the null hypothesis? Why?
Distribution
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