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If sample mean is 65, S=23 and n=64, and assuming that the population is normally distributed, construct a 95% confidence interval estimate of the population mean. (Use tables of critical values of the t distribution) Round to two decimal places.
Business Economics, Economics
A $1000 utility bond with 14 years remaining before maturity can now be purchased for $760. It pays interest of $20 each 6-month period. What rate of return is earned by purchasing the bond at the current market price pl ...
What's wrong with this way of thinking? "Economists claim that when the price of something goes up, producers increase the quantity supplied to the market. But last year, the price of oranges was really high and the supp ...
The mean distance commuters drove to work each day was estimated to be 40.8 miles from a sample of 45 commuters. The sample standard deviation was 5.8 miles. Assume that the distance commuters drive to work each day are ...
When we look at the ease to enter the different market structure, there is no doubt that 'monopoly' is the hardest. Why? -- There is only ONE firm that has established 'economies of scale' with the production of their go ...
Suppose that the demand curve for tickets to see a football team play a game is given by Q = 80,000 - 40P and marginal cost is zero. The team's stadium can host 75,000 fans. 1) How many tickets would the team sell if it ...
Mormons have a mission requirement to be admitted into their church. On average, the probability of converting someone is .03. How many people will Mormons on their mission have to interact with to ensure there is a prob ...
One of the authors received a credit card bill for 2,988, but it included a charge of 1,834 that was not valid. Find the values of the absolute and relative errors the absolute value is 1,834 what is the relative errors?
A random sample of 87 eighth grade? students' scores on a national mathematics assessment test has a mean score of 278. This test result prompts a state school administrator to declare that the mean score for the? state' ...
There is a proposal for a new Special Economic Zone in New Jersey. Based on the other examples of SEZs that we have read about, what are the pros and cons of this policy for various stakeholders?
Billy Ray works for Big City Planning where he is covered by the employer's qualified profit sharing retirement plan. Billy earns $70,000 a year and is single. How much can Billy contribute to a traditional IRA? What is ...
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Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate
Describe the difference between zero coupon bonds and coupon bonds. Under what conditions will a coupon bond sell at a p
Compute the present value of an annuity of $ 880 per year for 16 years, given a discount rate of 6 percent per annum. As
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