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Find the critical values for hypothesis test usinga sample of size n = 15, a significance level of = 0.05 and a null hypothesis H

Find the critical values for hypothesis test usinga sample of size n = 15, a significance level of = 0.05 and a null hypothesis H₀: 20. Assume that we are sampling from a normal distribution with unknown population SD.

a. 1.761

b. 2.625

c. 2.977

d. 1.345

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