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Fifty six percent of employees in company have managerial positions, and 59 percent of employees in company have MBA degrees. Also, 37 percent of managers have MBA degrees. Using probability formulas. Determine the proportion of employees who are managers and have MBA degrees.
Describe the types of probability -example of classical probability, empirical probability, or subjective probability.
In a sample of 55 mice, a biologist found that 42% were able to run a maze in 30 second or less. Find the 90% limit for the population proportion of mice who can run a maze in 30 second or less.
You are the production manager of a company. Parachutes are woven in your factory using a synthetic fiber purchased from one of four different suppliers. The most important outcome for parachutes is strength of the fabric.
The probabilities of low, medium and high compliance are 0.3, 0.4, and 0.3, respectively
A company requires its secretarial employees to demonstrate his/her ability to type more than 45 words per minute in a typing test.
In addition, record the values for the UCL, center line, and LCL. Also, record any points that are out of control. Use a z-value of three.
Computation of Expectation, Variance and Covariance.Calculate the variances of Y1 and Y2.
The Duracells had an average lifetime of 18.67 hours (SD = 1.176 hours) while the Energizer batteries had an average lifetime of 16.83 hours (SD = 2.878 hours). Assuming the population standard deviations to be equal, what is the test statisitic a..
Annual family dental expenses for the families of a random sample of ten employees of a company are given below. You can assume the family dental expenses for the employees of the company are normally distributed.
A quality control engineer wants to check if a particular product meets the specification of 90% of the entire product shipped is in perfect condition. He randomly selects a sample of 10 items of the product from a large lot ready to be shipped.
Use Excel and determine the number of each type of person that will be needed to complete the job within the allotted time and at minimum cost.
A noted psychic was tested for ESP. The psychic was presented with 400 cards face down and asked to determine if each card was marked with one of four symbols: a star, cross, circle, or square. The psychic was correct in 120 cases. Let p represent..
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