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Given the following hypothesis:
Ho:M(miu)>20 (should read greater than or equal to 20) sorry, can't put equal sign
H1:M(miu)<20
A random sample of five resulted in the following values: 18, 15, 12, 19, and 21. Using the.01 significance level, can we conclude the population mean is less that 20?
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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