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Consider the following two experiments: the first has outcome X taking on the values 0, 1, and 2 with equal probabilities; the second results in an (in- dependent) outcome Y taking on the value 3 with probability 1/4 and 4 with probability 3/4. Find the distribution of (a) Y + X.(b) Y - X.
Now compute the standard deviation for this distribution.
How have you used the scientific process (unsystematic observation, building theories, and evaluating propositions) in your life to better understand your personality?
Test, at the significance level of 0.05, whether the mean bacteria count for the plant discharge exceeds that for the upstream location.
description of the datasetwe will be using a dataset on neighborhood effects for this assignment.these data are drawn
a bank estimated the average amount of money withdrawn from its atm machines over weekends exceeds 150 per customer
a certain brand of refrigerator has a lenght of life that is normally distributed with a mean and a standard deviation
a researcher is interested in whether students who attend private high schools have higher average sat scores than
When comparing data from different distributions, what is the benefit of transforming data from these distributions to conform to the standard distribution?
for each of the following two problems analyze the data given in the related data le. write up your results in the
Suppose that 56% of students at a university are in the College of Business. A sample of 803 students is taken. What is the probability that the sample proportion of students in the College of Business is greater than 53%?
Why might a t test not be very useful in this case?
a baseball player would like to conduct an experiment to determine how the weight of his bat the speed of a pitch and
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