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1. The 'cup' system for determining the champion amongst 2^n players consists of drawing lots to arrange the players in 2^n-1 pairs who are to play each other, then repeating this with the 2^n-1 winners of these matches, and so on. The winner and loser of the final match recieve the first and second prizes repectively.
Suppose that each of the players has a defined strength (all different), and the strongest player wins each match. then is it clear that the first prize goes to the strongest of all the players. what is the probability that the second prize goes to the second strongest player?
In the case n=4, what is the probability that the four strongest players all reach the semi-finals ?
Suppose that the probability of strong demand is 0.8 and the probability of weak demand is 0.2. What is the optimal decision using the expected value approach?
assume that in a population of interest the ratio of males to females is 11. if you choose a random sample of 25 from
1. suppose 2 batteries are randomly chosen from a bin containing 10 batteries of which 7 are good and 3 are defective.
To be from the same population? You may assume the that follows a normal distribution. values are: 2.13 1.31 1.91 1.92 1.77 1.64 2.29 1.99 2.33 2.49 2.22
Whether the suitable analysis would be one-tailed test or two-tailed test. A type I and type II error, given context of hypothesis.
A researcher would like to determine whether an over-the-counter cold medication has an effect on mental alertness. A sample of n = 16 participants is obtained and each person
each year about 1500 students take the introductory statistics course at a large university. this year scores on the
Develop the estimated regression equation that can be used to predict the closing price given the value of Period At the .05 level of significance, test for any positive autocorrelation in the date.
What is (are) the mode(s)? Does it make sense to talk about the average for this data? Why or why not?
A statistically significant result occurs when the value of the test statistic falls in the rejection region. A result has practical significance when it is statistically significant
If Ashley Company accounts for the investment as a minority, passive and classifies the investment as an available-for-sale investment, Ashley will recognize what amount of 2010 income from the investment?
how do you create a histogram in excel when you have the following data on 40 best paid executivesrank 1-40 ceo name
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