Question

Electric bills: According to a government energy agency, the mean monthly household electricity bill in the...

Electric bills: According to a government energy agency, the mean monthly household electricity bill in the United States in 2011 was $110.82. Assume the amounts are normally distributed with standard deviation $23.00. (a) Find the 6th percentile of the bill amounts. (b) Find the 60th percentile of the bill amounts. (c) Find the median of the bill amounts. Round the answers to at least two decimal places. Part: 0 / 30 of 3 Parts Complete Part 1 of 3 The 6th percentile of the bill amounts is $.

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
Electric bills: According to a government energy agency, the mean monthly household electricity bill in the...
Electric bills: According to a government energy agency, the mean monthly household electricity bill in the United States in 2011 was $109.88. Assume the amounts are normally distributed with standard deviation $18.00. (a) Find the 8th percentile of the bill amounts. (b) Find the 63rd percentile of the bill amounts. (c) Find the median of the bill amounts. Round the answers to at least two decimal places.
h1. The monthly electric bill for a household in the United States is normally distributed with...
h1. The monthly electric bill for a household in the United States is normally distributed with ?= $100 and ?=$20 (Source: US Energy Information Agency) Deko wonders how much her typical monthly electric bill will be. What would you advise her to expect?   Provide a comprehensive answer that uses statistical concepts and computations from normal curves including the Empirical Rule and Z scores.
According to a report by Scarborough Research, the average monthly household cellular phone bill is $73....
According to a report by Scarborough Research, the average monthly household cellular phone bill is $73. Suppose local monthly household cell phone bills are normally distributed with a standard deviation of $22. What is the probability that a randomly selected monthly cell phone bill is less than $95? What is the probability that a randomly selected monthly cell phone bill is between $62 and $84? According to a report by Scarborough Research, the average monthly household cellular phone bill is...
13.According to a report by the U.S. Fish and Wildlife Service, the mean length of six-year-old...
13.According to a report by the U.S. Fish and Wildlife Service, the mean length of six-year-old rainbow trout in the Arolik River in Alaska is 481 millimeters with a standard deviation of 41 millimeters. Assume these lengths are normally distributed. a. What proportion of six-year-old rainbow trout are less than 450 millimeters long? b. What proportion of six-year-old rainbow trout are between 400 and 500 millimeter long? c. Is it unusual for a six-year-old rainbow trout to be less than...
A research company reports that the average monthly household cell phone bill in Indiana is $120...
A research company reports that the average monthly household cell phone bill in Indiana is $120 with a standard deviation of $14. Assuming the distribution of household cell phone bills is normally distributed find the following probabilities: The probability that a randomly selected household in Indiana has a cell phone bill of more than $100. The probability that a randomly selected household in Indiana has a cell phone bill of $110 to $150. Suppose you are asked to take a...
For the United States, the mean monthly Internet bill is $64.79 per household (CNBC, January 18,...
For the United States, the mean monthly Internet bill is $64.79 per household (CNBC, January 18, 2012). A sample of 50 households in a southern state showed a sample mean of $60.63. Use a population standard deviation of σ = $5.60 Formulate hypotheses at the α = 0.01 significance level for a test to determine whether the sample data support the conclusion that the mean monthly Internet bill in the southern state is less than the national mean of $64.79....
According to the Energy Information Administration (official energy statistics from the U.S. government), the mean price...
According to the Energy Information Administration (official energy statistics from the U.S. government), the mean price for one gallon of unleaded regular gasoline in U.S. cities for August, 2011 was $3.64. A random sample of 30 pumps in cities in the state of Georgia yielded an average price of $3.16 per gallon for unleaded gasoline. Assume that σ = $0.90. Test whether the population mean price for unleaded gasoline is lower in Georgia than the general population, using a significance...
Exploring Innovation in Action Power to the People – Lifeline Energy Trevor Baylis was quite a...
Exploring Innovation in Action Power to the People – Lifeline Energy Trevor Baylis was quite a swimmer in his youth, representing Britain at the age of 15. So it wasn’t entirely surprising that he ended up working for a swimming pool firm in Surrey before setting up his own company. He continued his swimming passion – working as a part-time TV stuntman doing underwater feats – but also followed an interest in inventing things. One of the projects he began...
What role could the governance of ethics have played if it had been in existence in...
What role could the governance of ethics have played if it had been in existence in the organization? Assess the leadership of Enron from an ethical perspective. THE FALL OF ENRON: A STAKEHOLDER FAILURE Once upon a time, there was a gleaming headquarters office tower in Houston, with a giant tilted "£"' in front, slowly revolving in the Texas sun. The Enron Corporation, which once ranked among the top Fortune 500 companies, collapsed in 2001 under a mountain of debt...
Discuss ethical issues that can be identified in this case and the mode of managing ethics...
Discuss ethical issues that can be identified in this case and the mode of managing ethics Enron finds itself in this case. How would you describe the ethical culture and levels of trust at Enron? Provide reasons for your assessment. THE FALL OF ENRON: A STAKEHOLDER FAILURE Once upon a time, there was a gleaming headquarters office tower in Houston, with a giant tilted "£"' in front, slowly revolving in the Texas sun. The Enron Corporation, which once ranked among...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT