SOLUTION: the claim is that the proportion of peas with yellow pods is equal to 0.25 (or 25%). the sample statistic from one experiment includes 500 peas with 111 of them having yellow pods.

Question 916808: the claim is that the proportion of peas with yellow pods is equal to 0.25 (or 25%). the sample statistic from one experiment includes 500 peas with 111 of them having yellow pods. find the value of the test statistic. (round two decimal places as needed)
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
Ho: p = .25
Ha: p ≠ .25
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sample proportion = p-hat = 111/500 = 0.222
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test stat:: z(0.222) = (0.222-0.25)/sqrt[0.25*0.75/500] = -.028/.0194
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