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What is a decision about the null hypothesis

Discuss the following:

Q: Given the following hypothesis:

H0: µ<10
H1: µ>10

For a random sample of 10 observations, the sample mean was 12 and the sample standard deviation 3. Using the .05 significance level:

a. State the decision rule.

b. Compute the value of the test statistic.

c. What is your decision regarding the null hypothesis?

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