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In a study of 416 likely voters in a certain city, 327 said that they planned to vote to reelect the incumbent mayor. What is the probability that a surveyed voter plans to vote to reelect the mayor?
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A project has an initial outlay of $2,034. It has a single cash flow at the end of year 6 of $4,743. What is the internal rate of return (IRR) for the project? Round the answer to two decimal places in percentage form.
A manufacturer obtains? clock-radios from three different? subcontractors: 10?% from? A, 30?% from? B, and 60?% from C. The defective rates for these subcontractors are 3?%, 2 %, and 5?% respectively. If a defective? clo ...
A researcher randomly assigned 160 subjects into one of two groups: Atkins diet or Weight Watchers. The response variable was weight change in pounds after 6 weeks. The t-test results showed a p-value=.049. What can be c ...
Thirty-eight percent of consumers prefer to purchase electronics online. You randomly select 16 consumers. Find the probability that the number who prefer to purchase electronics online is at most 5.
Consider the study of two insect populations at two experimental stations. At station A, the egg hatch rate (computed from a set of 100 eggs at a time) is known to follow approximately a normal distribution with mean 62% ...
Let X(bar) 6 denote the sample mean of a sample X 1 , X 2 , ..., X 6 from Unif (-1, 3). (a) What is the expected value of X(bar) 6 ? (b) What is the variance of X(bar) 6 ?
How do you calculate conditional probability for behaviors in applied behavior analysis?
15-18 years 4 19-22 years 5 23-26 years 6 27-30 years 9 31-34 years 2 35-38 years 7 Based on the frequency distribution above, find the relative frequency for the class 15-18 . Relative Frequency = % Give your answer ...
What are the differences between the Federal deficit and Federal Debt? How does a government budget deficit affect the economy, specifically the unemployment rate and job creation? Identify two periods in recent history ...
What is the 99% confidence interval for a sample of 52 seat belts that have a mean length of 85.6 inches long and a standard deviation of 3.8 inches?
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