According to the records of an eletric company sering the, Ask an Expert

Statistics

According to the records of an eletric company sering the boston area, the monthly electric consumption during winter for all households is normally distributed, with a mean of 1650 kilowatt-hours and a standard deviation of 320 kilowatt-hours. use the Emprical rule to answer the following .

a) Draw the curve and label the distribution around the mean.

b) Find the probability a randomly selected household has montly energy consumption between 690 and 2290 kilowatt-hours.

c) The 2.5% of households with the lowest monthly energy consumption qualify for a rebate. How low must a household's monthly energy consumtion be to qualify for this rebate?

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9979285

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

Problem descriptionthe blockchain is a decentralized ledger

Problem Description: The blockchain is a decentralized ledger of all transactions across a peer-to-peer network. Using this technology, participants can confirm transactions without a need for a central clearing authorit ...

A lot contains 15 items and 6 are defective if two items

A lot contains 15 items and 6 are defective. If two items are drawn at random from the lot, without replacement, what is the probability there is exactly one non-defective? (Hint: You have to use both Multiplication and ...

There are 3 orange balls and 17 blue balls that are in a

There are 3 orange balls and 17 blue balls that are in a bag. A person reaches into the bag, without looking, and pulls one of the balls out of the bag. What is the probability that the ball is orange?

Shekhar plans to invest 1820 in a mutual fund at the end of

Shekhar plans to invest $1,820 in a mutual fund at the end of each of the next six years. If his opportunity cost rate is 8 percent compounded annually, how much will his investment be worth after the last annuity paymen ...

Based on labor statistics17nbspof workers in a particular

Based on labor? statistics,17% of workers in a particular profession are female. Complete parts a through e below based on a random sample of 8 workers in this profession. a. What is the probability that exactly one work ...

What is the appropriate statistical analysis to use t-test

What is the appropriate statistical analysis to use: t-test for two independent samples, t-test for dependent samples, ANOVA, or chi-square test of independence? Please identify and explain why it is appropriate. (a) A s ...

Two pediatricians want to investigate a new laboratory test

Two pediatricians want to investigate a new laboratory test that identifies streptococcal infection. Dr. Kidd uses the standard culture test, which has a sensitivity of 90% and specificity of 96%. Dr. Childs uses the new ...

In a class there are 7 girls and 5 boys the median age of

In a class there are 7 girls and 5 boys. The median age of the 7 girls is 12 and the median age of the 5 boys is 14. Additionally, you know that there are 3 girls with age greater than 14 and 2 boys with age less than 12 ...

A normal distribution has a mean equal tonbsp45 what is the

A normal distribution has a mean equal to 45. What is the standard deviation of this normal distribution if 2.5% of the proportion under the curve lies to the right of x = 52.84? (Round your answer to two decimal plac ...

Annbspe-commerce web site claims thatnbsp8nbspof people who

An? e-commerce Web site claims that 8?% of people who visit the site make a purchase. Complete parts a through e below based on a random sample of 15 people who visited the Web site. a. What is the probability that none ...

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Statistics and Probability Expert