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In an Urn containing 12 balls numbered from 1 to 12. The balls are identical.
Let W be the random variable that represent the number of the selected ball.
a. What is the range of W? b. What is the distribution of W? c. What is the probability that the number of the selected ball is less than or equal to 5?
Solve the following problems in essay form (1 to 2 paragraphs for each problem is fine). Please show all work and show how you came up with the answer.
The appropriate probability concepts and your application of them to find resulting data to limit the uncertainty within this business decision.
The mean annual salary paid to all employees in a company was EURO 30.000. The mean annual salaries paid to male and female employees of the company were EURO 32.000, and 24.000, respectively. Determine the percentage of males and females employed..
Medicare spending per patient in different U.S. metropolitan areas may differ. Based on the sample data below, is the average spending in the northern region significantly less than the average spending in the southern region at the 1 percent leve..
A sample of 25 diff. payroll dept found that the employees worked an average of 310.3 days with a std dev. of 23.8 days. what is the 90% confidence interval for the average days worked.
Develop a probability for the number of students in the sample who watch soap operas.
Calculate each project's expected return, variance, and standard deviation. Rank the projects on the basis of (1) expected return and (2) risk. Which project would you choose?
Can you tell me what are the advantages and limitations of applying nonparametric tests in solving business problems?
Identify the type of sampling (random, systematic, convenience, stratified, cluster) used when a sample of people who smoke is obtained as described below.
Does this mean which you can enhance life savings by spending more money? Describe how this correlation is true. How does this apply or could apply to workplace or home?
To decrease the amount of time it takes to deliver packages, a delivery company purchased computer software that finds the optimal route for making deliveries based upon the input of the package destinations.
Suppose that 1% of all people have a particular disease. A test for the disease is 99% accurate. This means that a person who test positive for the disease has a 99% chance of actually having the disease
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