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Suppose that a production process changes states in accordance with an irreducible, positive recurrent Markov chain having transition proba- bilities Pij , i, j = 1, ... , n, and suppose that certain of the states are considered acceptable and the remaining unacceptable. Let A denote the acceptable states andAc the unacceptable ones. If the production process is said to be "up" when in an acceptable state and "down" when in an unacceptable state, determine
1. The rate at which the production process goes from up to down (that is, the rate of breakdowns);
2. The average length of time the process remains down when it goes down; and
3. The average length of time the process remains up when it goes up.
Twelve cases of leukemia are reported in people living in a particular census tract over a 5-year period. Is this number of cases abnormal if only 6.7 cases would be expected based on national cancer-incidence rates?
a time for the 100-meter spring of 15.1 seconds at a school where the mean time for the 100-meter sprint is 17.6
the national center for health statistics reports that the mean systolic blood pressure for males 3 to 44 years of age
Patrick was studying effects of small rewards (such as candy, gum, and soda pop) on intrinsic motivation. He tested fifth-grade children in a special room set aside by the school.
snowfalls occur randomly and independently over the course of winter. the average is one snowfall every 3 days.a what
A salesperson goes door-to-door in a residential area to demonstrate the use of a new household appliance to potential customers. She has found from her years of experience that after demonstration, the probability of purchase (long run average) i..
Monte Carlo sampling makes the assumption that all parameters of an alternative are: A. Independent B. Dependent C. Equal to 1.0 D. Probability distribution
When using SPSS to perform a 2 independent sample t-test, the P-Value was .136...with alpha set to .05. I have to decide to accept or reject the null hypothesis.
Parameter of interest is mean score in this population. Sample is an SRS of size n = 4 drawn from population. Determine the mean of 10 scores in the population.
State appropriate hypotheses for testing whether there was a significant difference in the length of the picture's run between theaters in the southeastern part of Dallas and all of Cinemark's other theaters.
a package of twelve ping-pong balls contains two defectives. an inspection procedure to check on the quality of the
For a sample of 100 employees, a personnel direc- tor has collected data on x 5 the number of years an employee has been with the firm and y 5 the number of shares of company stock the employee owns. The data are in file XR02044. a. Generate a scatte..
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