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If 33% of the members of the Sweetheart Union signs petitions to decertify the union, the National Labor Relations Board will call an election to determine weather Sweetheart will remain the exclusive bargaining agent. The union leadership takes a random sample survey of 40 and finds 8 persons will sign the petition. What can you tell the union?
The Federal Government recently granted funds for a special program designed to reduce crime in high-crime areas. A study of the results of the program in eight high-crime areas of Miami, Florida, yielded the following results.
The Web portal AOL places opinion poll questions next to many of its news stories. Simply click your response to join the sample.
The annual risk-free rate is 4 percent. What is the per share price of the underlying stock?
A bag contains 5 blue balls and 8 purple balls. If 3 balls are chosen randomly and without replacement, form the bag. Let x be the number of blue balls obtained. Then x has a distribution.
A vending machine dispenses coffee into a twelve ounce cup. The amount of coffee dispensed into the cup is normally distributed with a standard deviation of 0.08 ounce.
Determine the critical regions for test in terms of the sample mean, what is the probability of a type II error for this test if the true mean is in fact 195 mg and what impact would reducing the sample size have on the type I and type II errors?
The company you work for is considering acquiring several of the latest generation desktop computers for use in an office.
If the failure rate for component A is 0.0005 and component B is 0.004, what is the probability an employee will be injured because of c?
Given the following network and activity time estimates, determine the expected time and variance for each activity and indicate the critical path.
Find the 90% confidence interval for the standard deviaiton of the ages of seniors at Oak Park College if a sample of 24 students has a standard deviation of 2.3 years. Assume the variable is normally distributed.
Butterfly Tractors had $18.50 million in sales last year. Cost of goods sold was $8.90 million, depreciation expense was $2.90 million
prove for each positive integer n the number n can be written as a sum of n terms na1a2a3.....an where 1a1lta2ltltan
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