Jen thinks a certain potato chip maker is putting fewer chips in their regular bags of chips. From a random sample of 12 bags of potato chips she calculated a P value of 0.143 for the sample. (a) At a 5% level of significance, is there evidence that Jen is correct? (Type: Yes or No):  (b) At a 10% level of significance, is there evidence that she is correct? (Type: Yes or No):  (c) In a statistical test of hypotheses, we say that the data are statistically significant at level αα if A. the P - value is less than αα. B. the P - value is larger than αα. C. αα is small. D. α=0.05α=0.05.

A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
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Chapter1: Combinatorial Analysis
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 Jen thinks a certain potato chip maker is putting fewer chips in their regular bags of chips. From a random sample of 12 bags of potato chips she calculated a value of 0.143 for the sample.

(a) At a 5% level of significance, is there evidence that Jen is correct? (Type: Yes or No): 

(b) At a 10% level of significance, is there evidence that she is correct? (Type: Yes or No): 

(c) In a statistical test of hypotheses, we say that the data are statistically significant at level αα if

A. the - value is less than αα.
B. the - value is larger than αα.
C. αα is small.
D. α=0.05α=0.05.

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