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Forty-three percent of people believe that there is life on other planets in the universe. A...

Forty-three percent of people believe that there is life on other planets in the universe. A scientist does not agree with this finding. He surveyed 110 randomly selected individuals and found 44 believed that there is life on other planets. At a=0.05, is there sufficient evidence to conclude that the percentage differs from 43%? Use the -value method with tables.

Math   Statistics-And-Probability   
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Answer #1

P value = 2*P(z<-0.636) = 0.5251

Therefore, there is not enough evidence to claim that the population proportion p is different than 0.43

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