SOLUTION: A manufacturer of baby powder claims that 20% of the mothers prefer brand A baby powder. A random sample of 25 mothers were selected and asked what brand of baby powder they prefer
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Question 901671: A manufacturer of baby powder claims that 20% of the mothers prefer brand A baby powder. A random sample of 25 mothers were selected and asked what brand of baby powder they prefer. If 8 of the 25 mothers prefer brand A, what can you conclude? Use z-test at 5% level of significance.
Answer by harpazo(655) (Show Source): You can put this solution on YOUR website!
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