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State your hypotheses and decision rule

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Reference no: EM131554927

The average weight of a package of rolled oats is supposed to be at least 16 ounces. A sample of 18 packages shows a mean of 15.95 ounces with a standard deviation of .44 ounce.

(a) At the 5 percent level of significance, is the true mean smaller than the specification? Clearly state your hypotheses and decision rule.

a. H0: μ ≥ 16. Reject H0 if tcalc > -1.740b.H1: μ < 16. Reject H1 if tcalc < -1.740c.H0: μ ≥ 16. Reject H0 if tcalc < -1.740d.H1: μ < 16. Reject H1 if tcalc > -1.740   abcd 

(b) If α = .010, we would have

a. failed to reject the null hypothesis.b.rejected the null hypothesis. ab 

(c)Use Excel to find the p-value. (Round your answer to 4 decimal places.) 

p-value

Reference no: EM131554927

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