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You have been offered hundreds of the same business deals. For each you estimate that there is a 1% chance of making $100,000; 4% chance of making $40,000; a 20% chance of making $10,000; and 75% chance of making $0. How much should you be willing to pay for this deal? Do you think you would actually pay that much? Why? Expected Value:? Pay it? Why?
The mean math score for fifth grade students at Smart Elementary is 90 with a standard deviation of 8. The fifth grade students are tested each year to determine if the mean score remains the same.
Certain stocks are recommended each month by a monthly magazine. If 40% of the stocks recommended advance at least 20%, what is the probability that of the five stocks most recently recommended
As a part of the feasibility study, they wish to estimate the mean weekly child-care cost of their employees. A sample of 10 employees who use child care reveals the following amounts spent last week.
Make an interval estimate the population means score for the daycare children so that you are 95% confident that the true mean is in your interval.
Calculate the mean, median, range, and standard deviation for the Body Fat Versus Weight data set. Report your findings, and interpret the meanings of each measurement.
On basis of these data, can college conclude that students in new program performed significantly better than rest of freshman class? Use a one-tailed test with α = .05.
You may assume the sample data comes from a population that follows a normal distribution. Using a .05 level of significance test the company's claim.
How can the binomial distribution be used in a business situation? What type of data would you use and what would you learn from this?
The data results are based on serum continine levels for each group. The claim is that exposure to tobacco smoke (as second-hand smoke) corresponds to higher levels of cotinine.
Hypothesis summary on The feasibility of hiring more employees when production increases instead of offering overtime pay to existing employees.
When planning the new baseball stadium for Washington DC, you are asked to find the break-even point for the number of luxury skyboxes built.
If there is relationship between parental income and SAT score, why can't we bring to a close that differences in score are caused by differences in parental income.
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