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Customers arrive at a computer center at time points generated by a Pois- son process with intensity λ. The number of jobs brought to the center by the customers are independent random variables whose common generating function is g(u). Compute the generating function of the number of jobs brought to the computer center during the time interval (s, t].
In a normal distribution with mean 3 and variance 49, what are the upper and lower limit scores for the middle 50% of the data?
The grades on the midterm given in a large managerial stats class are normally distibuted with mean 75 and standard deviation 9. Instructors of this class wants to assign an A to top
Find the mean, median, mode, sample variance, and range. Do you think that this sample might have come from a normal population? Why or why not?
the following data represent the number of children in a sample of 10 families from chicago 4 2 1 1 5 3 0 1 0 and 2.
estimate the rate in galhr that your car uses gasoline when it is being driven on an interstate highway. determine how
Sketch the distributions involved, and (c) explain your answer to someone who is familiar with the t test for a single sample but not with the t test for independent means.
If a resistance is adequately described by a Gaussian random variable for which mean = 1000; and standard deviation = 40;, what fraction of the resistance expected to be rejected?
A company produces two products, A and B, which have profits of $9 and $7, respectively. Formulate a linear programming model to determine the optimal product mix that will maximize profit. What are the sensitivity ranges for the objective function c..
the following data represent the percentage of people without health insurance for the 50 states and the district of
How should I compute probability in spss for variable "seizure duration" with unnormal distribution which constitutes numerical data of duration in seconds.
Standard deviation equal to 500 and 50 hours, respectively. Find the probability that a random sample of 15 bulbs will have an average life of less than 475 hours.
Formulate a hypothesis that can be used to determine whether the mean annual consumption in webster city is higher than the national mean.
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