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The Polya urn model for contagion is as follows: We start with an urn which contains one white ball and one black ball. At each second we choose a ball at random from the urn and replace this ball and add one more of the color chosen. Write a program to simulate this model, and see if you can make any predictions about the proportion of white balls in the urn after a large number of draws. Is there a tendency to have a large fraction of balls of the same color in the long run?
Explain and show exactly how you are getting the correct information from your data set and how you are computing the probabilty.
consider a multiple choice examination with 50 questions. each question has four possible answers. assume that a
The manager of a department store wants to determine what proportion of people who enter the store use the store's credit cards for their purchases.
On the following terms could you please give my an English text description - in your own words. 1. Algorithm:
consider the following sample of seven chemical yields801814784836820901853use this sample to test that the population
Biologist estimates that 50% of the deer in a region carry a certain type of tick. For a sample of 300 deer selected at random, what is the chance that 155 or fewer deer have this tick?
a college believes that 24 of applicants to that school have parents who have remarried. how large a sample is needed
Temperature is used to measure the output of a production process. When the process is in control, the mean of the process is µ = 128.5 and the standard deviation is σ = .4. Construct the x¯ chart for this process if samples of size 6 are to be us..
The average on an exam is 75 and the standard deviation is 17. If the instructor assigned grades based on the Normal distribution what percentage of students will make A's and what percentage will make B;s in teh exam. Assume standard cut-off for ..
Steve then conducts a one-sample t-test on the data, knowing that there is an established mean for the publication of others that have taken this test of 6.
If the writing scores for the population have a standard deviation of σ = 20, does the sample provide enough evidence to conclude that the new composition course has a significant effect?
Mean and standard deviation for new sample were then computed to be M _ 6 and s _ 3. Write down the values of mean and standard deviation for original sample?
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