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Find Mean and standard deviation of uniform distribution. Recall that the following result was obtained in lecture: if a random variable X takes on the each of the values, 0, 1... 9 with probability 1/10 then
E[X] = 9/2 and Var[X] = 33/4.
Consider a four digit uniform random number generator; as in each of the 10,000 values 0.0000 through 9999 is equally likely. Find the mean and variance of the values produced by such a random number generator.
Carry out the global test of hypothesis to find out whether any of the regression coefficients are not equal to 0. Use.05 level of significance.
Based on a scatter diagram, would you estimate the linear correlation coefficient to be:
Find out z values for 29 and 34 hours. What percent of garages take between 32 hours and 34 hours to erect?
Compute mean and standard deviation for sample of N = 8 females and sample of N = 8 for males.
Determine whether or not the mean waiting time of all customers is significantly more than 3 minutes.
Twelve doctor's offices were given 3 lab inspections with the following results:
During the 2003 season, MLB took steps to speed up the play of baseball games in order to maintain fan interest; the following results come from a sample of 60 games played during the summer of 2002. And a sample of 50 games played during the summ..
Evaluate the value of population proportion. Develop a 99% confidence interval for population proportion.
Probability depends on normal distribution. If a random sample of nine 18 year old men is selected illustrate what is the probability that the mean height
Use the marginal probabilities of school quality, school cost or convenience, and other to comment on the most important reason for choosing a school.
Solve different inventory control problems using an appropriate OR method.
What does r 2 of .73 tell us? Is this a strong or weak correlation? How can you tell?
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