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OpenStudy (anonymous):
Help with AP Stats? Will award medals and fan!!! You're conducting a significance test for H0 : p = .35, Ha : p < .35. In a sample of size 40, you identify a count of 11 successes. The computed z-score and P-value are: A. –1.06 and .1446 B. –1 and .3174 C. –1 and .1587 D. 1 and .3174 E. 1 and .8413
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OpenStudy (anonymous):
Under the null hypothesis, the z-score would be \[z=\frac{.275-.35}{\sqrt{\dfrac{.35(1-.35)}{40}}}\approx-.99\] which gives a p-value of .1587
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