ZuoTi.Pro
Question

The mean income per person in the United States is $42,000, and the distribution of incomes follows a normal distribution. A
c. Compute the value of the test statistic. (Round your answer to 2 decimal places.) Value of the test statistic d. Is there
math   Statistics-And-Probability   
0 0
Add a comment Improve this question Transcribed image text
Next > < Previous
Sort answers by oldest

Homework Answers

Answer #1

Pg No Answer: Given that, Mean () $51,000 Standard deviation (0) = $10800 At 0.100 level of significance, Mean income (4): $4Pg No t= a los 51,000 4:48,000 <= 10800 n=1 Substitute the values in above formula. to 5.000 - 42000 10800 අපල to 2,7638 valuReject Ho There the mean income is in brough evidence wilmington is Pg No ③ to conclude that more than 42000). pe lista -

0 0
Add a comment
Know the answer?
Add Answer to:
The mean income per person in the United States is $42,000, and the distribution of incomes follows a normal distr...
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. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions

  • The mean income per person in the United States is $39,500, and the distribution of incomes follows a normal distributio...

    The mean income per person in the United States is $39,500, and the distribution of incomes follows a normal distribution. A random sample of 16 residents of Wilmington, Delaware, had a mean of $45,500 with a standard deviation of $9,800. At the 0.010 level of significance, is that enough evidence to conclude that residents of Wilmington, Delaware, have more income than the national average? A.) State the null hypothesis and the alternate hypothesis. B.)State the decision rule for 0.010 significance...

  • The mean income per person in the United States is $35,500, and the distribution of incomes...

    The mean income per person in the United States is $35,500, and the distribution of incomes follows a normal distribution. A random sample of 8 residents of Wilmington, Delaware, had a mean of $39,500 with a standard deviation of $8,200. At the 0.010 level of significance, is that enough evidence to conclude that residents of Wilmington, Delaware, have more income than the national average? State the null hypothesis and the alternate hypothesis. State the decision rule for 0.010 significance level....

  • The mean income per person in the United States is $40,500, and the distribution of Incomes...

    The mean income per person in the United States is $40,500, and the distribution of Incomes follows a normal distribution. A randonm sample of 18 residents of Wilmington, Delaware, had a mean of $51,500 with a standard deviation of $10,200. At the 0.050 level of significance, is thet enough evidence to conclude that residents of Wilmington, Delaware, have more income than the national average? a. State the null hypothesis and the alternate hypothesis. b. State the decision rule for 0.050...

  • The amount of water consumed each day by a healthy adult follows a normal distribution with...

    The amount of water consumed each day by a healthy adult follows a normal distribution with a mean of 1.28 liters. A health campaign promotes the consumption of at least 2.0 liters per day. A sample of 10 adults after the campaign shows the following consumption in liters: 1.90 1.62 1.78 1.30 1.68 1.46 1.46 1.66 1.32 1.52 At the 0.100 significance level, can we conclude that water consumption has increased? Calculate and interpret the p-value.State the null hypothesis and...

  • The average annual miles driven per vehicle in the United States is 11.1 thousand miles, with...

    The average annual miles driven per vehicle in the United States is 11.1 thousand miles, with σ ≈ 600 miles. Suppose that a random sample of 41 vehicles owned by residents of Chicago showed that the average mileage driven last year was 10.9 thousand miles. Does this indicate that the average miles driven per vehicle in Chicago is different from (higher or lower than) the national average? Use a 0.05 level of significance. What are we testing in this problem?...

  • The average annual miles driven per vehicle in the United States is 11.1 thousand miles, with...

    The average annual miles driven per vehicle in the United States is 11.1 thousand miles, with σ ≈ 600 miles. Suppose that a random sample of 41 vehicles owned by residents of Chicago showed that the average mileage driven last year was 10.9 thousand miles. Does this indicate that the average miles driven per vehicle in Chicago is different from (higher or lower than) the national average? Use a 0.05 level of significance. What are we testing in this problem?...

  • The amount of water consumed each day by a healthy adult follows a normal distribution with...

    The amount of water consumed each day by a healthy adult follows a normal distribution with a mean of 1.56 liters. A health campaign promotes the consumption of at least 2.0 liters per day. A sample of 10 adults after the campaign shows the following consumption in liters: 1.88 1.74 1.98 1.70 1.86 1.72 1.74 1.98 1.68 1.50 At the 0.025 significance level, can we conclude that water consumption has increased? Calculate and interpret the p-value. State the null hypothesis...

  • The amount of water consumed each day by a healthy adult follows a normal distribution with...

    The amount of water consumed each day by a healthy adult follows a normal distribution with a mean of 1.50 liters. A health campaign promotes the consumption of at least 2.0 liters per day. A sample of 10 adults after the campaign shows the following consumption in liters: 1.52 1.64 1.66 1.40 1.82 1.70 1.90 1.45 1.78 1.92 At the 0.010 significance level, can we conclude that water consumption has increased? Calculate and interpret the p-value. State the null hypothesis...

  • The amount of water consumed each day by a healthy adult follows a normal distribution with...

    The amount of water consumed each day by a healthy adult follows a normal distribution with a mean of 1.4 liters. A health campaign promotes the consumption of at least 2.0 liters per day. A sample of 10 adults after the campaign shows the following consumption in liter 1.5 1.6 1.5 1.4 1.9 1.4 1.3 1.9 1.8 1.7 At the 0.01 significance level, can we conclude that water consumption has increased? Calculate and interpret the p-value. a. State the null...

  • The age distribution of the Canadian population and the age distribution of a random sample of...

    The age distribution of the Canadian population and the age distribution of a random sample of 455 residents in the Indian community of a village are shown below. Age (years) Percent of Canadian Population Observed Number in the Village Under 5 7.2%                   44             5 to 14 13.6%                   74             15 to 64 67.1%                   296             65 and older 12.1%                   41             Use a 5% level of significance to test the claim that the age distribution of the general Canadian population fits the age...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT