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Rats are subjected to a drug that might affect aggression. Suppose that for a random sample of rats, measures of aggression are found to be5,12,23,24,18,9,18,11,36,1
Compute a .95 confidence interval for the mean assuming the scores are from a normal distribution.
Sampling area consisted of an area of 120m x 50m within site two and was bordered by a road on one side and a stream on another.
She wants to be 95% confident that her estimate is correct. If the standard deviation is $1050, how large a sample is needed to be accurate within $200?
Determine whether the following definitions are stipulative, lexical, precising, theoretical, or persuasive.- "Television" means the electronic medium that keeps an entire nation of viewers in a state of seminarcosis by feeding them a steady stream ..
Let X and Y be independent, uniformly distributed random variables on U(0,1). Define Z = X/(X-Y) . Find the cumulative distribution function and the probability density function of Z. Make a sketch of the density function.
Stanford Binet IQ scores have a mean of 100 and a standard deviation of 15. Albert Einstein reportedly had an IQ of 160. Convert Einstein's IQ score to a z score.
Assuming that Mendel's proportion of 3/4 is correct, find the probability of getting 787 or fewer plants with long stems among 1064 offspring plants. compare answers with binomial and normal approximation.
What is the probability of selecting a family that has either a Visa card or an American Express card and if a family has a MasterCard, what is the probability that it has a Visa card?
Assume you always reject null hypothesis, regardless of any sample evidence. Determine the probabiliyt of Type II error? P(Type II error).
The one time fling. Have you ever bought the article of clothing (dress, sports jacket, etc.) worn item once to a party, and then returned purchase?
Provide an algorithm for finding a stable matching, and prove that this algorithm always terminates in finding a stable matching.
Show that someone will think that the claim has more than a fifty percent chance of being true if p > q / (1 + q). Explain.
an urn contains one black and n-1 white balls. calls are drawn at random until the black ball is selected. find the
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