What is approximate probability that mean score is high

Reference no: EM13130742

What is the approximate probability that a single student randomly chosen from all those taking the test scores 23 or higher? B) Now take an SRS of 50 students who took the test. What are the mean and standard deviations of the sample mean score X of these 50 students? C) What is the approximate probability that the mean score X of these students is 23 or higher? D) Which of your two normal probability calculations in (a) and (c) is more accurate? Why?

Reference no: EM13130742

Questions Cloud

Time management tips : Consider time management tips. What types of information should you include in your project schedule? How do you plan to manage your research and writing to ensure your project is completed on time ?

Determine if a hospital is operating efficiently : A measure used by the MoHLTC to determine if a Hospital is operating efficiently is a calculation termed Average Cost Per Weighted Case. (CPWC) Case costing has generated considerable interest and enthusiasm.

Final recorded value of the payable : A firm has purchased, for 50,000 FCs, an electric generator from a foreign firm. The exchange rates were 1 FC = $0.80 on the delivery date and 1 FC = $0.76 when the payable was paid. What is the final recorded value of the payable if the two-trans..

Cpm question-activity times : The following represents a project with known activity times. All times are in weeks. Using the data in the table above, what is the minimum possible time required for completing the project?

What is approximate probability that mean score is high : What is the approximate probability that the mean score X of these students is 23 or higher? D) Which of your two normal probability calculations in (a) and (c) is more accurate? Why?

Distinguish between long-run and short-run profits : Does this case illustrate the law of diminishing marginal productivity and in this case, less and less of a single factor, labor, is being used. Does this have anything to do with the law of diminishing marginal utility?

Average cost as the performance measure : Why would the manager of plant A be unhappy with using the average cost as the performance measure?

What is the market price of the bond : Bond Valuation. A tax- exempt bond was recently issued at an annual 7 percent coupon rate and matures 30 years from today. The par value of the bond is $5,000.

Calculate monaco accounts receivable turnover ratio : Calculate Monaco accounts receivable turnover ratio for the year. The company does not believe it will have any bad debts. Use the turnover ratio computed in (b) to analyze Monaco’s liquidity. The turnover ratio last yearwas 8.0.

User Account

All Pages