SOLUTION: A survey of voters was used to test if the President's approval rating had dropped below 40% approval. The null hypothesis was Ho: p = .4 and the alternative was H1: p

SOLUTION: A survey of voters was used to test if the President's approval rating had dropped below 40% approval. The null hypothesis was Ho: p = .4 and the alternative was H1: p < .4. The va

Question 929522: A survey of voters was used to test if the President's approval rating had dropped below 40% approval. The null hypothesis was Ho: p = .4 and the alternative was H1: p < .4. The value of the test statistic was computed and was found to be -2.16. Which one of the following best approximates the p-value (observed significance)

A 0.9846

B -0.9846

C 0.0154

D 0.0308

E -0.0154

Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
p( z < 2.16) = normalcdf(-100, -2.16) = .0154
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