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A system consisting of two components is subject to a series of shocks that arrive according to a PP(λ). A shock can cause the failure of component 1 alone with probability p, component 2 alone with probability q, both components with probability r, or have no effects with probability 1-p-q-r. Suppose no repairs are possible and the system fails when both components fail. Model the state of the system as a CTMC.
Estimating the combined mean values for the given data - find the mean for the combined sample
The following data represent scores of 50 students in the applied business statistics test. Prepare the frequency distribution table and the frequency histogram for this data set.
Compute the mean number and median number of apples in a bag.
What is the mean and standard deviation of the sampling distribution when we take all samples of size25?
A federal report find that a lie detector test given to truthful persons have a probability of 0.2 of suggesting that the person is deceptive. A company asks 12 job applicants to take a lie detect test. Suppose that all 12 applicants answer truthf..
Set up the null and alternative hypotheses to test whether the proportion of MBA students who expect to stay at their first job five years or more is less than one-fourth of all U.S. MBA students.
Find the t c for a 90% confidence level with a sample size of 18.
Would you conclude that your data set is approximately normal? If so, what percentage of your data values lie:
At times we can generate a regression equation to explain outcomes. For example, an employee's salary can often be explained by their pay grade, appraisal rating, education level, etc.
Sixty-four students in an introductory college economics class were asked how many credits they had earned in college, and how certain they were about their choice of major.
Binomial Distribution: Control Charts this problem will be referred to in the study of control charts. In the binomial probability distribution, let the number of trials be n = 3, and let the probability of success be p = 0.0228.
Construct a 95% confidence interval estimate of their mean weight.
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