The amounts of electricity bills for all households in a city have a skewed probability distribution...
Fantastic news! We've Found the answer you've been seeking!
Question:
Transcribed Image Text:
The amounts of electricity bills for all households in a city have a skewed probability distribution with a mean of $140 and a standard deviation of $30. a. Comment on shape of the sampling distribution if a random sample of 85 households is selected from this city. b. Find the probability that the mean amount of electric bills for a random sample of 85 households selected from this city will be i) between $132 and $136 ii) within $10 of the population mean The amounts of electricity bills for all households in a city have a skewed probability distribution with a mean of $140 and a standard deviation of $30. a. Comment on shape of the sampling distribution if a random sample of 85 households is selected from this city. b. Find the probability that the mean amount of electric bills for a random sample of 85 households selected from this city will be i) between $132 and $136 ii) within $10 of the population mean
Expert Answer:
Answer rating: 100% (QA)
a When the distribution is skewed the mean median a... View the full answer
Related Book For
Posted Date:
Students also viewed these mathematics questions
-
The amounts of electricity bills for all households in a particular city have an approximately normal distribution with a mean of $140 and a standard deviation of $30. Let x be the mean amount of...
-
The amounts of electricity bills for all households in a city have a skewed probability distribution with a mean of $140 and a standard deviation of $30. Find the probability that the mean amount of...
-
We have used stationary phase to figure out the time dependence of the position of peaks in wavepackets constructed from integral representations. More generally, the stationary phase approximation...
-
client with celiac disease asks for a nutrition plan, what should the trainer recommend? Refer to a dietician 3-day food log to prescribe meal plan A templated meal plan Give a breakdown of...
-
1. What are the positive aspects the employees could glean from the financial data? 2. What concerns should they have? 3. What additional information would you want to know?
-
Boca Resorts (BR) operates a five-star hotel with a worldclass spa. BR has a decentralized management structure, with three divisions: Lodging (rooms, conference facilities) Food (restaurants and...
-
What are three basic methods for allocating factory overhead costs?
-
During 2012, its first year of operation, Newton Company purchased two available-for-sale investments as follows: Assume that as of December 31, 2012, the Starlight Products, Inc., stock had a market...
-
12- Suppose that a project has a DOL = 0.55.If the quantity being produced increases from 96 units to 100 units, what is the expected percentage change in operating cash flow? A)2.3% B)3.1% C)4.2%...
-
You have recently started work as a management accountant at Zilber Hotels, reporting to the financial controller. Draft management accounts have been prepared for the year just finished, and the...
-
Which technique will best initially assist in identifying how an individual currently manages the time? Keeping a log for several days that notes how interruptions, changes in demands, and...
-
developing a strategic plan to help your company move from a domestic sourcing plan to an international sourcing plan. For this strategic supply chain plan, you are being asked to address and answer...
-
Discuss the impacts of digital marketing practices on consumer buying behaviours of commonwealth bank.
-
AB The aqueous reaction Product, with known kinetics - 500) (mot min) CACE, is to take place in an experimental tubular reactor (assume plug flow), under the following conditions: Reactor volume...
-
What are closing entries and why are they needed? What are temporary accounts and why do they need to be closed? What are the steps to closing entries?
-
Data related to the inventories of Mountain Ski Equipment and Supplies is presented below: Selling price Cost Skis $ 194,000 135,000 Replacement cost 134,000 Boots $ 164,000 140,000 131,400 Apparel $...
-
3. The computation of chi square In "What Works: Effective Recidivism Reduction and Risk-Focused Prevention Programs," Roger Przybylski compiles evidence-based options for preventing new and...
-
Refer to the situation described inBE 18-13, but assume a 2-for-1 stock split instead of the 5% stock dividend. Prepare the journal entry to record the stock split if it is to be effected in the form...
-
A bank manager wants to know the mean amount owed on credit card accounts that become delinquent. A random sample of 100 delinquent credit card accounts taken by the manager produced a mean amount...
-
The following table lists the 2009 total profits (rounded to millions of dollars) of the seven Fortune 500 companies in the Computers, Office Equipment category (Source: www.money.cnn.com/magazines/...
-
The following data represent the numbers of tornadoes that touched down during 1950 to 1994 in the 12 states that had the most tornadoes during this period. The data for these states are given in the...
-
Oxford Consulting, Inc., expects the following costs and expenses during the coming year: Required a. Compute a predetermined overhead rate applied on the basis of direct labor hours. b. Prepare a...
-
Dillon Manufacturing had the following inventories at December 31, 2018, the end of its fiscal year: During January 2019, the following transactions occurred; 1. Purchased materials on account,...
-
Job Cost Journal Entries Prior to the beginning of 2019, Stapleton Company estimated that it would incur \($153,000\) of manufacturing overhead cost during 2019, using 17,000 direct labor hours to...
Study smarter with the SolutionInn App