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(i) Establish that E(X) for the geometric random variable is 1/p and that V ar(X) = q/p2, where q = 1 - p.
(ii) Given that for a certain geometric random variable, P (X = 2) = 0.0475 and P (X = 10) = 0.0315, determine P (2 ≤ X ≤ 10).
(iii) The average chain length of a polymer produced in a batch reactor is given as 200 units, where chain length itself is known to be a geometric random variable. What fraction of the polymer product is expected to have chains longer than 200 units?
1. the researchers surveyed more than 230 american male weight lifters ranging in age from 18 to 40 and found that 12 o
a local police precinct has seen a recent increase in the number of complaints filed regarding how officers are
Compute a 95% confidence interval for the average time spent in training per year at this firm. Develop a graph showing the data below as a frequency distribution. Note the mean and the confidence interval on the graph.
Which of these measurement scales (nominal, ordinal, interval and ratio) can be handled through hypothesis testing? What are the five steps in hypothesis testing? Is the order important? Why or why not?
Calculate the Functional Form of Average Variable Cost
The world record time (in minutes) in the marathon is plotted versus the year in which the record was set for men and women separately. The plotting symbol o is used for men and x for women. The data include only records set between 1908 and 1988.
What is the accounting equation? Suppose your company sold $12,000 in merchandise to a customer for cash. How does this transaction impact the accounting equation?
If you are ask to minimize shipment cost, how much product should you ship from each Factoryto each Outlet.
If you assume returns follow a normal distribution, which investment would give a better chance of getting at least a $40 million return? Explain. (B) How could your answer to part (A) change if you knew returns followed a skewed distribution inst..
one way to establish validity of a questionnaire is by measuringa the correlation between the score on the
Draw the appropriate conclusions with respect to female and male human resource manager salary levels. Calculate the t value for independent groups for the following data.
The analysis needs to be re-run adding the error into the regression sum of squares.
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