Question

According to the U.S. Census Bureau, 69% of children under the age of 18 years in...

According to the U.S. Census Bureau, 69% of children under the age of 18 years in the United States live with two parents. Suppose that in a recent sample of 802 children, 587 were living with two parents. For the following, round all answers to no fewer than 4 decimal places. Using the critical value approach and α=0.025 α=0.025 , 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%. What is the observed Z statistic?

Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
According to the U.S. Census Bureau, 69% of children under the age of 18 years in...
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 2025 children, 1237 were living with two parents. a. Using the critical value approach and α=0.1, 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...
According to the U.S. Census Bureau, 11% of children in the United States lived with at...
According to the U.S. Census Bureau, 11% of children in the United States lived with at least one grandparent in 2009 (USA TODAY, June 30, 2011). Suppose that in a recent sample of 1570 children, 239 were found to be living with at least one grandparent. At a 10% significance level, can you conclude that the proportion of all children in the United States who currently live with at least one grandparent is higher than 11%? Use both the p-value...
According to the U.S. Census Bureau, 11% of children in the United States lived with at...
According to the U.S. Census Bureau, 11% of children in the United States lived with at least one grandparent in 2009 (USA TODAY, June 30, 2011). Suppose that in a recent sample of 1610 children, 234 were found to be living with at least one grandparent. At a 10% significance level, can you conclude that the proportion of all children in the United States who currently live with at least one grandparent is higher than 11%? Use both the p-value...
According to the U.S. Census Bureau, among males over the age of 24, 13.4% did not...
According to the U.S. Census Bureau, among males over the age of 24, 13.4% did not complete high school, 31.9% completed high school, and 16.5% attended some college without graduating. (Source: U.S. Department of Commerce, Census Bureau, Current Population Survey Data on Educational Attainment, 2010.) a. Compute the probability that a randomly selected male in the United States who is over the age of 24 will not have attended college. b. Find the probability that a randomly selected male in...
According to the U.S. Bureau of the Census, about 75% of commuters in the United States...
According to the U.S. Bureau of the Census, about 75% of commuters in the United States drive to work alone. Suppose 150 U.S. commuters are randomly sampled. (a) What is the probability that fewer than 105 commuters drive to work alone? (b) What is the probability that between 112 and 124 (inclusive) commuters drive to work alone? (c) What is the probability that more than 95 commuters drive to work alone? (Round the values of σ to 4 decimal places....
A random sample of 40 adults with no children under the age of 18 years results...
A random sample of 40 adults with no children under the age of 18 years results in a mean daily leisure time of 5.62 ​hours, with a standard deviation of 2.45 hours. A random sample of 40 adults with children under the age of 18 results in a mean daily leisure time of 4.41 ​hours, with a standard deviation of 1.64 hours. Construct and interpret a 90​% confidence interval for the mean difference in leisure time between adults with no...
In a previous poll, 44% of adults with children under the age of 18 reported that...
In a previous poll, 44% of adults with children under the age of 18 reported that their family ate dinner together seven nights a week. Suppose that, in a more recent poll, 478 of 1141 adults with children under the age of 18 reported that their family ate dinner together seven nights a week. Is there sufficient evidence that the proportion of families with children under the age of 18 who eat dinner together seven nights a week has decreased?...
A random sample of 40 adults with no children under the age of 18 years results...
A random sample of 40 adults with no children under the age of 18 years results in a mean daily leisure time of 5.96 ​hours, with a standard deviation of 2.35 hours. A random sample of 40 adults with children under the age of 18 results in a mean daily leisure time of 4.32 ​hours, with a standard deviation of 1.52 hours. Construct and interpret a 95​% confidence interval for the mean difference in leisure time between adults with no...
According to the National Health Statistics report, the mean height of all adult (age 18 years...
According to the National Health Statistics report, the mean height of all adult (age 18 years and older) males in the United States in 69.4 inches. A random sample of 300 men aged 60 – 69 years old has a mean height of 69.0 inches, with a standard deviation of 2.65 inches. At α = 0.10, can we conclude that the population of older (aged 60 – 69 years old) men are shorter than the population of all men in...
According to the National Health Statistics report, the mean height of all adult (age 18 years...
According to the National Health Statistics report, the mean height of all adult (age 18 years and older) males in the United States in 69.4 inches. A random sample of 300 men aged 60 – 69 years old has a mean height of 69.0 inches, with a standard deviation of 2.65 inches. At α = 0.10, can we conclude that the population of older (aged 60 – 69 years old) men are shorter than the population of all men in...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT