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The following 4 questions (Q1 to Q4) are based on the following information:You and your friends have decided to go to The Kentucky Derby. There are 12 horses inthe 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 followchanges 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 inthe CPI?Q16: What was the rate of inflation for the 1970's, as measured by the percentage change inthe 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 marketbasket.Q20: The current 'base period' that we are on is 1982-1984.
A multiple-choice examination consists of 90 questions, each having possible choices a, b, c, d, and e. Approximate the probability that a student will get at least 21 answers correct if she randomly guesses at each answer.
construct a frequency distribution table for these data. what type of graph would be appropriate to show the frequency distribution for these data?
A "random survey" was conducted of 3274 people of the "microprocessor generation" (people born since 1971, the year the microprocessor were invented). It was reported that 48% of those
An experiment was carried out to assess the effects of four tomato varieties and four planting densities on yield. There were 64 plots, and each of the 16 factor combinations was randomly assigned to 4 plots
Find the quotient and remainder when x^7 + x^4 + x + 1 is divided by x^3 + x^2 + 1 over mod 2. Please show the detailed working along with explanations as needed.
Attended a religious service at least once a month, 20 stopped to help a person with car trouble. At the 0.05 significance level, test the claim that the two proportions are equal.
If 5 men and 5 women are to be chosen randomly and then paired off, what is the probability of a given pair (Alice-Bob) to be formed?
A researcher has reason to believe that, for an experiment with 50 points, a 95% prediction interval would be of width 4. If the researcher wishes to run a more precise experiment that will result in a 95% prediction interval of width 2, then the ..
If the mean number of serious accidents per year in a large factory (where the number of employees remains constant) is five, find the probability that in the current year there will be:
Make a relative frequency histogram by using ten-point intervals to show the distribution of the scores.
Is there evidence to suggest a difference in the mean waiting times at the four body shops?
State the hypotheses for a right-tailed test. Obtain a test statistic and p-value assuming equal variances. Interpret these results. Is the difference in mean scores large enough to be important?
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