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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 1925 children, 1215 were living with two parents.
a. Using the critical value approach and significance level=0.02, 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%.
Enter the critical values in increasing order. Round your answer for z to two decimal places.
OBSERVED Z=?
CRITICAL VALUE=?
b. What is the probability of making a type one error from part a?
P(TYPE ONE ERROR)=?
c. Calculate the p-value for the test from part a.
P-VALUE=?
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