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1. Assume that the service time for a customer at a bank is exponentially dis- tributed with mean service time 2 minutes. Let X be the total service time for 10 customers. Estimate the probability that X > 22 minutes.
2. Let X1, X2, . . . , Xn be n independent random variables each of which has an exponential density with mean µ. Let M be the minimum value of the Xj . Show that the density for M is exponential with mean µ/n. Hint : Use cumulative distribution functions.
State the claim mathematically. Then write the null and alternative hypothesis. Determine whether the hypothesis test is left-tailed, right-tailed, or two-tailed.
The question belongs to Basic Statistics and it discuss about creating alternate hypothesis for null hypothesis in research
The production process consists of three primary activities: bending and forming, welding, and painting. The amount of time in minutes needed to process each product in each department is shown below:
Suppose that the probability is 1 in 3,900,000 that a single auto trip in the U.S. would result in the death of the driver. Over a lifetime, an average U.S. driver takes 50,000 trips.
Write matlab Code for regression. one paragraph discussion of the project comprising method used and conclusions: regression results
At.05 level of significance can director conclude that there is difference in the number of circuit cards bought by month?
You will create this Word document by cutting and pasting SPSS output into Word.
Given the following data for a community health center, calculate the average and marginal cost for each output level and (in case of marginal cost) between successive output levels.
You're the production manager for operation that produces circuit boards. Each board is tested at the end of manufacturing process. Rejected boards are discarded and have no future value.
One of the 4 bus drivers is also randomly selected. Let Y denote the number of students on his bus. Compute the expectations and variances of X and Y?
a researcher is interested in the relationship between birth order and personality. a sample of n100 people is obtained
Enter the data shown in the tables above. Create two charts for each urban area that show the immigration distribution. Change the color of a data series in at least one of the charts
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