Roman wants to testH0: p = 0.5Ha: p 0.5where p = the true proportion of all babies who are longer than 20 inches, using the α = 0.01 significance level. What conclusion should Roman draw?

Question

Roman wants to testH0: p = 0.5Ha: p > 0.5where p = the true proportion of all babies who are longer than 20 inches, using the α = 0.01 significance level. What conclusion should Roman draw?

Revolt · Accepted Answer

Because the P-value of 0.047 > α = 0.01, he should fail to reject H0. There is not convincing evidence that the true proportion of all babies who are over 20 inches is greater than 0.5.

Introduction to Hypothesis Testing

Roman wants to testH0: p = 0.5Ha: p > 0.5where p = the true proportion of all babies who are longer than 20 inches, using the α = 0.01 significance level. What conclusion should Roman draw?

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