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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.
Probability based on binomial distribution - evaluate the probability of x successes in the n independent trials of the experiment.
Using an appropriate statistical test determine if there is a significant association between gender and satisfaction with the new initiative.
A sample of twenty automobiles was taken, and the miles per gallon (MPG), horsepower, and total weight were recorded. Develop a linear regression model to predict MPG using horsepower as the only independent variable. Develop another model with weig..
Using the original data, test at the 5% significance level that the population standard deviation of studying times is greater than 4 hours.
The ANOVA summary table below is the result of a regression of sales on year of sales. Is the relationship statistically significant at .05? Comment.
The response of the GSS question in 2006 about the number of hours daily spent watching TV, the responses by the seven subjects who identified themselves as Hindus were 2,3,2,1,0,1,4,3. find a point estimate of the population mean for Hindus. The ..
A student team examined parked cars in four different suburban shopping malls. One hundred vehicles were examined in each location.
You run a two tail t-test. The critical value for this test at the .05 level is a t of 7.82. What value must the obtained t-test statistic be in order to be considered significant at the .05 level?
At the .05 level of significance, is there convincing evidence that the number of absences per employee has increased?
She then uses the mean and standard deviation of these values to estimate the mean value for all parts the operator is making. Construct a 95% confidence interval for the mean value assuming a normal distribution.
Data is given in the table below. Process data as illustrate in the paper on the Mann-Whitney U test. Critical Value:Test Statistic (Show procedure.)Z .
Find the test statistic value for two mean tests in large sample.
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