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    Questions with Hypothesis Testing

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    Consider the following hypothesis test:

    H0: u>= 1.25
    Ha: u< 1.25

    A sample of 49 provides a sample mean of 1.19 and a previous population standard deviation of 0.14. Answer the following questions:

    a. At a=0.01, what is the critical value?
    b. Compute the value of the test statistic t.
    c. What is the p-value?
    d. What is your conclusion?

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