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Suppose a sample space has things a,b and c. Twice, draw from the sample space and replace. The possible sequences formed are {aa, ab, ac,ba,bb, bc,ca,cb,cc} Now suppose there are Y different things. There are Y ways the first draw can occur. For each of the Y ways the first draw can occur, there are Y ways the second draw can occur, resulting in Y times Y, or Y2 sequences. For each of the Y2 sequences formed from 2 draws, there are Y ways the 3rd draw can occur forming Y3 sequences. Generalizing, there are Yx sequences formed by drawing X times from Y different things with replacement. How many sequences of 3 things can be formed from 9 thins with replacement and order is important
In a test to determine whether soil pretreated with small amounts of Basic-H makes the soil more permeable to water, soil samples were divided into blocks, and each block received each of the four treatments under study.
The psychologist estimates that the standard deviation of reaction times is 15 msec.What size sample should he draw?
How much can she withdraw from her retirement savings each month if she plans to die on the day she spends her last penny?
consider an insurance company that sells hurricane insurance. in the policy the company agrees to pay the amount a if a
Distinct random variable
Develop a 99% confidence interval for the population proportion.
one of the cards from an ordinary deck of 52 cards is lost. what is the probability that a random card drawn from this
If all samples of size 64 are drawn, mean of sample according to Central Limit Theorem is 100.
How does the Myers-Briggs theory of personality relate to leadership and management theory in an organization?
What is the probability that the difference between the sample percentage and the population percentage will be more than 3%? Interpret the meaning of this probability.
A survey of high school students inquires about siblings. a. If a question asks how many siblings each student has, would the best display be a pie chart,
An experiment involves 17 participants. From these, a group of 5 participants is to be tested under a special condition. How many groups of 5 participants can be chosen, assuming that the order in which the participants are chosen is irrelevant?
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