Calculate the p-value for the test of part

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According to the U.S. Census Bureau, 69% of children under the age of 18 years in the United States lived with two parents in 2009. Suppose that in a recent sample of 1975 children, 1246 were living with two parents.

a. Using the critical value approach and α=0.05, test whether the current percentage of all children under the age of 18 years in the United States who live with two parents is different from 69%.

Round your answer for z to two decimal places.

zobserved=

zcritical left =

zcritical right =

P(Type I error)

c. Calculate the p-value for the test of part a. What is your conclusion if α=0.04?

Round your answer for the p-value to four decimal places.

p-value =

For α=0.04,

Reference no: EM132188049

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