Asked by Arvee
a perfume company claims that the best selling perfume contains at most 25% alcohol. twenty bottles were selected and found to have mean of 29.7% and standard deviation of 4.8%. test the claim of the perfume company at the 0.0& level pf significance. to test the null.hypothesis, the best selling perfume contains at most 25% alcohol.
Answers
Answered by
PsyDAG
It would help if you proofread your questions before you posted them.
Level of significance?
Z = (score-mean)/SEm
SEm = SD/√n
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability related to t he Z score.
Level of significance?
Z = (score-mean)/SEm
SEm = SD/√n
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability related to t he Z score.
Answered by
jingle
25
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