Stats Help for College-level Students

Regression problem using statistical relations with predictors and a dependent variable. Attachments in MS Word.

Part of a CFO's job is to determine the direction of the company and which divisions/projects should be expanded. This CFO selects a sample of 30 projects and wants to find out about the relationship between Profit (Y measured in 1000's) per project and number of Employee Hours (EmployHrs) involved in each project (measured in ...continues

Determining control limits and working with mean and range in statistical quality control. Attachments in MS Word.

Statistics Quality Control A. Determine the control limits for the mean and range B. Plot the control limits for the mean Outside Diameter and the range C. Are there any points on the mean or the range chart that are out of control? Comment on the chart. See the attached question file for the data.

Finding the best estimate from an average using a confidence limit.

Last year Groton, Georgia had 512 burglaries. The police chief wants to know the average economic loss associated with burglaries in Groton and wants to know it this afternoon. Since there is not time to analyze all 512 burglaries, the department's research analyst selects 10 burglaries at random, which show the following loss ...continues

Statistical techniques using binomial distribution and probability. Solution in MS Word.

For machine gun ammunition to be acceptable, the US Army requires that 96 percent of rounds fired hit a specified target. The test is to fire a 50 round burst at the target and observe whether this condition is met. A manufacturer estimates that each round of their ammunition has a probability of .99 of hitting the target. Wha ...continues

Finding the optimal solution, slack variables, and objective function in linear programming using a graphical solution technique. Solution in JPG format.

Using the graphical solution technique, find the optimal solution, value of the objective function and values of the slack variables to this linear programming problem.     Min 3x1 + 3x2     s.t. 12x1 + 4x2  48     10x1 + 5x2  50     4x1 + 8x2  32     ...continues

A linear programming problem using the solver function in MS Excel. Complete with answer report and explanations.

KAK MarketData, Inc. is in the business of evaluating consumer response to products. A client's contract calls for door-to-door personal interviews with the following requirements: a. Interview at least 50 households with no senior citizens b. Interview at least 50 households with senior citizens c. At least 50% of ...continues

Multi-question real estate linear programming problem. Complete with set-up, answer, limits and sensitivty report. Attachments in Excel and Word.

A real estate developer is planning to build an apartment building specifically for graduate students on a patch of land adjacent to Arapet College in Madrid, Arizona. Four types of units can be included in the building: efficiencies, and one-, two-, and three-bedroom units. Each efficiency requires 500 square feet; each one-be ...continues

Determining probability distribution with random variables. Attachments in MS Word.

Imagine tossing a balanced coin seven times. Let X = the number of heads obtained in seven tosses. What is P(X>5)?

Determining probability distribution with random variables. Attachments in MS Word.

Imagine tossing a balanced coin seven times. Let X = the number of heads obtained in seven tosses. What is P(X<6)?

Determining probability distribution with random variables. Attachments in MS Word.

A missile hits the target 70% of the time. What is the probability that at least 9 of the next 10 missiles will hit the targets?