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Question: 1. Each domino piece is marked by two numbers. The pieces are symmetrical so that the number-pair is not ordered. How many different pieces can be made using the numbers 1, 2, ... , n?
2. The numbers 1, 2, ... , n are arranged in random order. Find the probability that the digits
(a) 1 and 2,
(b) 1, 2, and 3, appear as neighbors in the order named.
What threshold GMAT score should the umkc business school set in order to ensure that 20 percent of the examinees who apply to their program will be accepted.
An urn always contains 2 balls. Ball colors are red and blue. At each stage a ball is randomly chosen and then replaced by a new ball, which with probability 0.8 is the same color, and with probability 0.2 is the opposite color, as the ball it rep..
I tossed a coin 6 times and recorded the outcomes - H for heads and T for tails. The first set of tosses yielded HTHTTH and the second set of tosses yielded TTTHHH. Which set of tosses is more probable to happen? And why?
Suppose you are a pollster and are planning to take a sample that is very small relative to the population. In terms of estimating a population mean.
Suppose that you are a regional director of an IRS office and that you are charged with sampling 1% of the returns with gross income levels above $15,000. How might you go about this? Would you use random sampling? How?
What is the range, and why is it not ideal as an index of variability?- Give a definition of variance, then explain how you would calculate it.
This week and last week's assigned documents reveal something that historians have to grapple with all of the time: the meaning of ideas and definitions change depending on the viewpoint they come from.
Assume the number of gallons sold follows the normal distribution with a population standard deviation of 5.10 gallons. A random sample of 60 days shows that the mean daily number of gallons sold is 10.00. What is the point estimate of the populat..
In a recent study of incomes in Allegheny county in Pennsylvania it was found that distribution of family incomes is skew to the right. what can we say about the relationship between mean and median?
When thinking of family violence, what is the role of alternate corrections systems?
let a b and c be independent random variables uniformly distributed over 04 02 and 03 respectively. what is the
from these data estimate the average height of all adults and calculate a bound on the error of estimation assume that
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