🎓 Academic Math Major PAEXPLAIN and Answer

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A perfume company claims its best selling perfume contains at most 25% alchol. To test the claim of the perfume company at the 0.5 level of significance twenty bottles were selected and found to have mean of 29.7% and standard deviation of 4.8%. To test the null hypothesis, the best selling perfume contains at the most 25% alchol.

A. Ho: æ < 25
B. Ho: æ > 25
C. Ho: æ not equal to25
D. Ho: æ = 25

 

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