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