Question
In: Statistics and Probability
Questions 2 and 3 refer to the following information regarding the annual consumption of coffee of...
Questions 2 and 3 refer to the following information regarding the annual consumption of coffee of the 41 males. Of the sample of the 41 males, the sample mean is 25.7 gallons and the sample standard deviation is 3.8 gallons. Assume the data is normally distributed and the sample is randomly selected.
2. Assuming α = 0.005, is there enough evidence to support a claim that the mean amount of consumption is at least 28 gallons? (12 points)
3. Assuming α = 0.05, is there enough evidence to support a claim that the standard deviation of the number of servings is 3 gallons? (12 points)
4. For the entire random sample of 92 people, the sample mean is 21.6 gallons. Assume the population standard deviation is 4.8 gallons and that the population is normally distributed. Is there enough evidence to support a claim that the mean amount of consumption is more than 20.2 gallons? Assume α = 0.03. (12 points)
5. Of the 92 people in the sample, the annual consumption of coffee and the weekly amount of hours worked were compared to find r = 0.623. Test the significance of this correlation coefficient using α = 0.10. Is there a significant correlation between annual coffee consumption and the weekly amount of hours worked? (12 points)
Solutions
orchestra answered 1 year agoRelated Solutions
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Refer to the following information
about ABC Bank for the questions 1-3.
The starting average interest rate (on
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Market Value (million)
Duration
Total Assets
$50
9.0
Total Liabilities
$40
3.0
If interest rates grow by 1 percentage point,
what is the resulting percentage change in assets’
value for ABC Bank?
8.57%
-8.57%
5.71%
-5.71%
None of the above
The duration gap adjusted to leverage equals:
-6.6
6.0
7.7
10
None of the above
If interest rates...
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found here:
http://www.sec.gov/Archives/edgar/data/59478/000005947813000007/lly-20121231x10k.htm
How much of the 2012 accounts receivable balance does
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answer the following questions using the consolidated income
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To determine whether there was a relationship between the region
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Question 4
0.00%
Refer to Questions 2 and 3.
The land for the factory will cost
$270,000
.
The factory will cost
$5,930,000
to build and construction will take two
years with construction costs
payable in equal installments at the start of each
year. The factory will operate
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operation, refurbishment costs will be
$930,000
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At the end of its 20 year
lifespan, the land...
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