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The following 4 questions are based on the following information:You and your friends have decided to go to The Kentucky Derby. There are 12 horses in the race. How many ways can the horses come in first, second, or third?Q1: Is this an example of a combination or a permutation?Q2: What is N?Q3: What is r?Q4: What is the calculated value for this example?The following 4 questions (Q5 to Q8) are based on the following information:You have 16 friends that you want to invite to dinner. However, you dining room tableonly seats 6 people. Since, you will take up one seat, you can only have five friends at one time.How many different groups of guests can you have?Steps for Calculation:Q5: Is this an example of a combination or a permutation?Q6: What is N?Q7: What is r?Q8: What is the calculated value for this example?The following 2 questions (Q9 to Q10) are either "True" or "False"Q9: With a combination 'order matters'.Q10: 5! is equal to 120.Q11: Which one of the following is NOT one of the major uses of the CPI?A. The CPI is used to evaluate and determine economic policy.B. The CPI is used to compare prices in different years.C. The CPI is used to determine salary and price adjustments.D. All of the above three answers are major uses of the CPI.Q12: Using the 1989 base as a base, the price index for computers is now 125. What does thisindex number mean?A. price of computers has decreased 25% since 1989B. price of computers has increased 25% since 1989C. price of computers has increased 125% since 1989D. none of the above three answers are correctQ13: A _____________ economic indicator is one whose changes lag behind or follow changes in the economy.A. LaggingB. CoincidenceC. LeadingQ14: Some criticisms of the CPI include all of the following except:A. the market basket used in the CPI may not reflect current spending prioritiesB. the CPI does not adjust for changes in qualityC. the CPI takes advantage of sale pricesD. the CPI does not measure prices for rural AmericansThe following 2 questions (Q15 to Q16) are based on the following information:The CPI's at the start of each decade from 1940 to 1990 were:Year 1940 1950 1960 1970 1980 1990CPI 14.0 24.1 29.6 38.8 82.4 130.7Q15: What was the rate of inflation for the 1950's, as measured by the percentage change in the CPI?Q16: What was the rate of inflation for the 1970's, as measured by the percentage change in the CPI?Q17: Name the major category added for the market basket of goods and services in 1998?Q18: Tuition at University Z was $1200 per quarter in 1985 (CPI = 107.6). How much shouldtuition be in 2001 adjusted for inflation (CPI = 175.1)? The following 2 questions (Q19 to Q20) are either "True" or "False"
Q19: 'Child care' is one of the eight major categories of goods and services in the market basket.Q20: The current 'base period' that we are on is 1982-1984.
How large a sample is needed to estimate the true proportion of home owners who have vegetable gardens to within 0.04 with 98% confidence?
Suppose we have a population of scores with a mean (μ) of 975 and a standard deviation (σ) of 15. Assume that the distribution is normal. What percentage of the population will lie between 960 and 990?
What percentage of the variation in their scores on the second round can be explained by their scores on the first round?
The Rio-River Railroad, headquartered in Santa Fe, New Mexico, is trying to devise a method for allocating fuel costs to individual railroad cars on a particular route between Denver and Santa Fe.
The Department asks you to estimate a model that could ?t this situation. a) Do you think that a multinomial logit is a suitable model for this problem? Explain why.
The standard deviation is 0.73. Would it be unusual to randomly select 10 people and find that greater than 8 recognize the Famous Brand?
And a standard deviation of 10 inches. What is the probability that the mean annual precipitation during 25 randomly Picked years will be less than 109.8 inches?
Suppose Abraham Lincoln had answered a survey questionnaire in which he indicated that he had not received a grade school diploma. The researcher found that Lincoln's educational score did not correlate with the expected variables. What was wrong?
It took a contractor 5000 hours to manufacture their first unit of an item. If the contractor expects to achieve a 94% unit learning curve, how many hours would be required to manufacture units 76-100?
Favor of gun control legislation. Find the point estimate for estimating the proportion of all Americans who are in favor of gun control legislation.
Can researcher conclude that humidity has significant effect on eating behaviour? Use two-tailed test with a = 0.05.
A sample of 25 diff. payroll dept found that the employees worked an average of 310.3 days with a std dev. of 23.8 days. what is the 90% confidence interval for the average days worked.
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