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Suppose we can only sample from Uniform distribution (0,1) with k=3. Design an algorithm to simulate chi-square distribution with 2k freedom via general transformation method.
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Data are collected on the relationship between the number of hours per week practicing a musical instrument and scores on a math test. The line of best fit is as follows: y = 72.5 + 2.8x. What would you predict the score ...
Researchers randomly assigned 25 beginning students of Russian to begin speaking practice immediately and another 25 to delay speaking for 4 weeks. At the end of the semester both groups took a standard test of comprehen ...
Two people agree to meet at a coffee shop. They each independently pick a random moment in time between 8 a.m. and 9 a.m. and show up exactly at their selected time. But they are very impatient, and only stay for 10 minu ...
Suppose you want to estimate the proportion of traditional college on your campus who own their own car. Based on some research on other campuses, you believe the proportion will be near 25%. What sample size is needed i ...
1) It appears that new car purchases have peaked in 2018 vs. used car purchases. The following probability distribution table shows the random variable x, where x is the number of new cars purchased by household during t ...
A bottle of water is supposed to have 12 ounces. The bottling company has determined that 98% of bottles have the correct amount. Which of the following describes a binomial experiment that would determine the probabilit ...
A population has a mean u=81 and a standard deviation o=28. Find the mean and standard deviation of a sampling distribution of sample means with a sample size n=239. ux= ox=
An automobile accidents occur over a 72 hour holiday period are like events in a poisson process with = 10 per hour. Let Y be the time for the first accident. a) What is the mean of Y and variance of Y? b) Find P(Y > 15 ...
In a pre-election poll, a candidate for district attorney receives 304 of 600 votes. Assuming that the people polled represent a random sample of the voting population, test the claim that a majority of voters support th ...
(a) What is the purpose of credit analysis? Discuss the importance of performing a credit analysis if you are suppliers of credit (i.e., commercial banks, non-bank private financing entities).
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