SOLUTION: A company producing milk in cans claims that 41% of the mothers prefer Brand W. A random sample of 105 mothers were asked what brand they prefer and 57 of them answered they pref

Question 1180407: A company producing milk in cans claims that 41% of the mothers prefer
Brand W. A random sample of 105 mothers were asked what brand they prefer
and 57 of them answered they prefer Brand W. Is it correct to conclude that the
company’s claim is true? Use z-test at 2% level of significance.
Solution:
1. H0:
H1:
2. Level of Significance:
3.Test:
4. Critical Region:
5.Solution:
Decision:
Conclusion:
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!


Hi
Ho:  p =.41 claim
Ha:  p ≠ .41
sample: p = 57/105 = .543
Level of Significance: .02  Critical Region(df 104) z > 2.36

 = 2.7709
  2.7709 > 2.36
 Reject Ho. 
Evidence sufficient to support that we cannot accept the company's claim.
Wish You the Best in your Studies.

RELATED QUESTIONS
A manufacturer of baby powder claims that 20% of the mothers prefer brand A baby powder.... (answered by harpazo)

Two out of three mothers choose jam. If ten mothers are selected at random, what is the... (answered by stanbon)

a mother has 3 kids. Kid A is half the mothers current age. Kid B is 4 years younger than (answered by MathTherapy)

A producer of soft drinks believes that her brand has a 10% market share. Determine the... (answered by Boreal)

in a poll of women 18 and older, 70% of women polled felt their financial situation was... (answered by stanbon)

a mothers age is three less than three times her daughters age. the sum of her age is 45. (answered by algebrahouse.com)

Please help me solve this: A certain brand of alcohol claims that the alcohol... (answered by ewatrrr)

PLEASE HELP ME SOLVE THIS, THANK YOU! A certain brand of alcohol claims that the... (answered by ewatrrr)

Suppose the null hypothesis is not rejected. State the conclusion based on the results of (answered by Theo)