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###### Cost and management accounting

Topic  1:  Case  Study    Jane,  a  friend  of  yours,  has  informed  you  that  she  is  planning  to  set&n ...

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2 Pages

hi iam attaching new assigment..this is group assigment my part is only feasibility study i.e topic (3) you have to do only that topic. please follow the assigment criteria and ihave attached other to ...

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Thesis

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16 Pages
###### Commercial Law Assignment (BULAW5914)

This is a significant task that requires forward planning and adequate time for research, reading and reflecting. It comprises 35% of your assessment in this subject. You should begin researching ear ...

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Assignment

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70 Pages
###### Management Accounting

The only information you have is available through the public domain and the additional information provided for this assignment (this is fictitious information used only for the creation of this assi ...

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Assignment

Subject

### Question

The following information is collected from students as they leave the campus bookshop during the first week of classes.

State the level of measurement for the variables given below.

 Gender Answer 1 Choose... Nominal Ratio Ordinal Interval Number of textbooks purchased Answer 2 Choose... Nominal Ratio Ordinal Interval Amount of time spent shopping in the bookshop Answer 3 Choose... Nominal Ratio Ordinal Interval Name of degree Answer 4 Choose... Nominal Ratio Ordinal Interval

Q 2

Suppose that an energy company wants to estimate its mean waiting time for natural gas installation to within 5 days with 95% confidence. The company has access to previous data and they know that the standard deviation is 30 days.

How large a sample is necessary?

Sample should be at least Answer

Q 3

The fill amount of bottles of soft drink is normally distributed with a mean of 2.0 litres and a standard deviation of 0.05 litres. If you select a random sample of 25 bottles, what is the probability that the sample mean will be:

above 2.01 litres?

Select one:

a. 0.0228

b. 0.1587

c. 0.0143

d. 0.9969

Q4

The personnel manager of a large corporation wishes to study absenteeism among clerical workers at the corporation's central office during the year. A random sample of 25 clerical workers indicated that 48% were absent for more than 10 days. We are interested in a 99% confidence interval estimate of the population proportion of clerical workers absent for more than 10 days. Which of the following is the correct 99% confidence interval:

Select one:

a. (0.28, 0.68)

b. (0.22, 0.74)

c. (0.32, 0.64)

Q5

A 95% confidence interval for the proportion  of a population is computed from a random sample and found to be .  We may conclude:

Select one:

a. there is a 95% probability that the true proportion is 50% and there is a 95% chance that the true margin of error is 10%.

b. all of the other answers are correct.

c. if we took many, many additional random samples and from each computed a 95% confidence interval for , approximately 95% of these intervals would contain .

d. there is a 95% probability that  is between 60% and 40%.

Q6

The Nielsen company regularly conducts research into consumer confidence. It reports that in an online survey of Australian consumers conducted early in 2011, 68% of the respondents were trying to save on gas and electricity expenditure. Consider a follow-up study focusing on the latest calendar year. What sample size is needed to estimate the population proportion of Australian consumers who are trying to save on gas and electricity expenditure to within 2 percentage points with 95% confidence?

Sample should be at least Answer

Q7

The quality control manager at a light bulb factory needs to estimate the mean life of a large shipment of light bulbs. The standard deviation is 80 hours. A random sample of 64 light bulbs indicated a sample mean life of 350 hours.

90% confidence interval estimate for the population mean life of light bulbs in this shipment lies between:

Select one:

a. (330.4 hours and 369.6 hours)

b. (324.2 hours and 375.8 hours)

c. (333.6 hours and 366.4 hours)

d. (270 hours and 430 hours)

Q8

A market researcher for a consumer electronics company wants to study the television viewing habits of residents of a particular area. A random sample of 41 respondents is selected, and each respondent is instructed to keep a detailed record of all television viewing in a particular week. The results showed a mean viewing time of 15.3 hours and a sample deviation of 3.8 hours.

90% confidence interval estimate for the population mean amount of television watched per week lies between:

Select one:

a. (11.5 hours and 19.1 hours)

b. (14.30 hours and 16.30 hours)

c. (13.70 hours and 16.90 hours)

d. (14.10 hours and 16.50 hours)

### Problem Analasys and Statistics

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Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Hac habitasse platea dictumst vestibulum rhoncus est pellentesque. Amet dictum sit amet justo donec enim diam vulputate ut. Neque convallis a cras semper auctor neque vitae. Elit at imperdiet dui accumsan. Nisl condimentum id venenatis a condimentum vitae sapien pellentesque. Imperdiet massa tincidunt nunc pulvinar sapien et ligula. Malesuada fames ac turpis egestas maecenas pharetra convallis posuere. Et ultrices neque ornare aenean euismod. Suscipit tellus mauris a diam maecenas sed enim. Potenti nullam ac tortor vitae purus faucibus ornare. Morbi tristique senectus et netus et malesuada. Morbi tristique senectus et netus et malesuada. Tellus pellentesque eu tincidunt tortor aliquam. Sit amet purus gravida quis blandit. Nec feugiat in fermentum posuere urna. Vel orci porta non pulvinar neque laoreet suspendisse interdum. Ultricies tristique nulla aliquet enim tortor at auctor urna. Orci sagittis eu volutpat odio facilisis mauris sit amet.

Tellus molestie nunc non blandit massa enim nec dui. Tellus molestie nunc non blandit massa enim nec dui. Ac tortor vitae purus faucibus ornare suspendisse sed nisi. Pharetra et ultrices neque ornare aenean euismod. Pretium viverra suspendisse potenti nullam ac tortor vitae. Morbi quis commodo odio aenean sed. At consectetur lorem donec massa sapien faucibus et. Nisi quis eleifend quam adipiscing vitae proin sagittis nisl rhoncus. Duis at tellus at urna condimentum mattis pellentesque. Vivamus at augue eget arcu dictum varius duis at. Justo donec enim diam vulputate ut. Blandit libero volutpat sed cras ornare arcu. Ac felis donec et odio pellentesque diam volutpat commodo. Convallis a cras semper auctor neque. Tempus iaculis urna id volutpat lacus. Tortor consequat id porta nibh.

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## More Problem Analasys and Statistics: Questions & Answers

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### Cost and management accounting

Topic  1:  Case  Study    Jane,  a  friend  of  yours,  has  informed  you  that  she  is  planning  to  set  up  a  coffee  shop.    You  have  advised  her&nb ...

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hi iam attaching new assigment..this is group assigment my part is only feasibility study i.e topic (3) you have to do only that topic. please follow the assigment criteria and ihave attached other topic like introduction part which is my friends done...please follow according to that assigment whi ...

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### Commercial Law Assignment (BULAW5914)

This is a significant task that requires forward planning and adequate time for research, reading and reflecting. It comprises 35% of your assessment in this subject. You should begin researching early to gather information and establish a plan as soon as possible. The purposes of the assignment a ...

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### Management Accounting

The only information you have is available through the public domain and the additional information provided for this assignment (this is fictitious information used only for the creation of this assignment). Therefore you are to limit your research, review and analysis and any report and recommenda ...

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