Week 7MA 311011/5/2012
Pg. 485
Q: 8
Number in group129805n's
Number experiencing insomnia1913x's
a=0.05(a) p-bar=(x1+x2)/(n1 + n2)0.034261242
n1 =129(b) z=(p-hat diff)/sqrt(p-bar*q-bar*(1/n1+1/n2))7.601787316 n2 =805q-hat's(c) za/2 = ±1.96
p1-hat=0.1472868220.852713178(d) P-value=2.93099E-14 p2-hat=0.0161490680.983850932

Q: 10
(a) E=0.06177357OR using the table value
(b)0.069364183 µ2claim
n1 =25t=(x-bar diff)/sqrt(s1^2/n1+s2^2/n2)8.074687922 n2 =25P-value=1.33814E-08
x1-bar=21.1
x2-bar=13.2
s1=3.2
s2=3.7

"Reject Ho; there is sufficient evidence to conclude that μ1 – μ2 > 0. There is sufficient evidence to support the claim that unfiltered king size cigarettes have a mean tar content greater than that of filtered 100 mm cigarettes. The results suggest that filters are effective in reducing the tar content in cigarettes. "

Do not reject Ho; there is not sufficient evidence to conclude that μ₁–μ₂≠0. There is not sufficient evidence to support the claim that menthol cigarettes and non-menthol cigarettes have different amounts of nicotine. No; menthol does not appear to have an effect on the nicotine content.
Pg. 512
Q: 12
Flight scheduled one day in advance 4566146281088943567...

...Week7 : Business Valuations - Homework ES
1. (TCO G) A valuation professional who holds a CVA has the credentials of a: (Points : 2)
Continuous valuation analyst.
Cost valuation of assets.
x Certified valuation analyst.
None of the above is correct
2. (TCO G) If a shareholder in a closely held business sells his or her stock, the valuation professional typically would: (Points : 2)
Increase the value...

...TCO 1) What is the purpose behind the five primary activities in the value chain?
First, info flow diagrams and flowcharts argon the two most much utilize development and musical accompaniment tools employ today. Second, since systems developme nt is super complex, DFDs and flowcharts ar! e tools that are used to fix order from sanatorium and complexity.Â (Ch 3, p. 50)| | | Â | Points Received:| 4 of 5| Â | Comments:| First, data flow diagrams and flowcharts are the two most frequently used...

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MAT540 Week 3 Homework
Chapter 14
1. The Hoylake Rescue Squad receives an emergency call every 1, 2, 3, 4, 5, or 6 hours, according to the following probability distribution. The squad is on duty 24 hours per day, 7 days per week:
Time Between
Emergency Calls (hr.)
Probability
1
0.05
2
0.10
3
0.30
4
0.30
5
0.20
6
0.05
1.00
a. Simulate the emergency calls for 3 days (note that this...

...for 1 year, what would be your monthly loan payments?
Loan 1995 Annual Interest rate 12%
r 0.01
n 12
Payment: $177.25
7. (Solving for an annuity payment) You would like to have $1,000,000 accumulated by the time you turn 65, which will be 40 years from now. How much would you have to put away each year to reach your goal, assuming you're...

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MAT 540 Week 4 Homework
Chapter 15 problems
2. The manager of the Carpet City outlet needs to make an accurate forecast of the demand for SoftShag carpet (its biggest seller).If the manager does not order enough carpet from the carpet mill,customers will buy their carpet from one of Carpet City’s many competitors. The manager has collected the following demand data for the past 8 months:
Month Demand for Soft Shag Carpet (1,000 yd.)
1 8...

...PAM 3100: Homework7
Question 1
Go to the list of datasets located on the website http://wps.aw.com/aw_stock_ie_3/178/45691/11696965.cw/index.html . Right-click the one named “Guns Data (Stata dataset)”, save it somewhere you can access it and then open it in Stata. This dataset contains panel data from 50 states plus the District of Columbia for the years 1977 through 1999. A detailed description is given in the ﬁle “Guns Data Description (PDF)” on the same...

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MAT540 Week 8 Homework
Chapter 4
14. Grafton Metalworks Company produces metal alloys from six different ores it mines. The company has an order from a customer to produce an alloy that contains four metals according to the following specifications: at least 21% of metal A, no more than 12% of metal B, no more than 7% of metal C and between 30% and 65% of metal D. The proportion of the four metals in each of the six ores...

...Ch. 7 Pr. 1
For a population containing N=902 individuals, what code number would you assign for;
a. The first person on the list= 001
b. The fortieth person on the list= 040
c. The last person on the list= 902
Ch. 7 Pr. 13
What additional information would you want to know about the survey before you accepted the results of the study?
-Why was the study conducted? –What was the margin of error? –What was the sample size? -What sampling design was...