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Consider random sample from a populaion x that is exponentialhy distributed with parameter y. f(x;y)=ye^(-yx) for x>=0
a) Calculate median of distribution and then find mle of median.
b) Given a sample with a mean of 2 calculate the mles of y and the median and the probability that x>3.
Compose a 350 to 700-word summary report of your findings to the researcher and owner of the restaurant in which you Identify evidence, if any, of the researcher's claim. Perform a one- or two-tail test on the data provided,
Assume a normal distribution for pH values. If a random sample of 10 readings in a vat is taken and the mean pH is computed, find each of the following?
question what type of educational background do ceos have? in one survey 344 ceos of medium and large companies were
An automobile assembly line operation has a scheduled mean completion time,u , of 13.5 minutes. The standard deviation of completion times is 1.7 minutes.
In the early years of the twenty-first century, annual salaries for federal employees in the Upper Midwest averaged approximately $42,000, with a population standard deviation (σ) of $4,900. If we drew a random sample of 25 federal employees from ..
In a bumper test, three types of autos were deliberately crashed into a barrier at 5mph, and resulting damage was estimated. five test vehicles of each type were crashed.
Set a value for the level of significance to be used in the test? After answering this question, what type of error would you suppose may result in that case?
It is better to use the median rather than the mean for a distribution when:
computing the probability values using normal distribution.the distribution of scores on the sat is approximately
The following data represents the pulse rates of ten randomly selected females after stepping up and down on a 6-inch platform for 3 minutes. Pulse is measured in beats per minute. Compute the sample mean pulse.
Consider that you are a line manager in your current Corporation. There is a 0.50 probability that you will be promoted this year. There is a 0.65 probability that you will get a promotion or a raise. The probability of getting a promotion and a r..
A random sample results in 1 = 20 with n1 = 100. The population standard deviation is σ1 = 6. Another sample was selected independently resulting in 2 = 22 with n2 = 100. The population standard deviation is σ2 = 7. Test that the population means ..
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