Forty-five percent of people believe that there is life on other planets in the universe. A scientist does not agree with this finding. He surveyed 125 randomly selected individuals and found 50 believed that there is life on other planets. At α=0.10, is there sufficient evidence to conclude that the percentage differs from 45%? Use the P-value method with tables. Hypothesis test is a two-tailed test.  Compute the test value. Always round z score values to two decimal places. Thank you for your help!

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Forty-five percent of people believe that there is life on other planets in the universe. A scientist does not agree with this finding. He surveyed 125 randomly selected individuals and found 50 believed that there is life on other planets. At α=0.10, is there sufficient evidence to conclude that the percentage differs from 45%? Use the P-value method with tables.

Hypothesis test is a two-tailed test. 

  1. Compute the test value. Always round z score values to two decimal places.

Thank you for your help!

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