SOLUTION: A farmer produces and sells 5 kg bags of potatoes. To test that he is not selling the bags under weight the local consumer rights group bought 20 bags and weighed them. They discov

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Question 863773: A farmer produces and sells 5 kg bags of potatoes. To test that he is not selling the bags under weight the local consumer rights group bought 20 bags and weighed them. They discovered that the mean weight of the bags they bought was 4.85 kg with a standard deviation of 0.2 kg. According to the t test what level of significance can be given to the statement the bags of potatoes weigh less than 5kg ?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
t+=+%284.85-5%29%2F.2%2F%28sqrt%2820%29%29+=+-.15%2F.0448+=+-3.35
P(m ≤ 4.85)= P(t ≤ -3.35) = .0017 0r .17% (Degree of Freedom 19)