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A Committee of three people has been formed by random selection from five left-wingers and four right wingers. The Committee members then vote for or against a strike whenever there is a dispute. Each left winger votes for a strike three out of four times in strike votes, whereas each right winger votes for a strike only once out of three times in strike votes. If it is known that the Committee has decided against one particular strike, what is the probability that there is a majority of right-wingers on the Committee?
Compute the standard error of the sampling distribution of sample means.
Tungsten content of the mined mineral. Further mining of the drift would be justified if the grade is above 1.25% W; can we be 95% confident that this is the case?
A sample of 3000 observations has a mean of 82 and a standard deviation of 16. Using the empirical rule, find what percentage of the observations fall in the intervals , and x+/- 1s, x+/- 2s x+/- 3s.
answer the following questionsa in 2004 statistics exam scores followed a normal distribution with a mean of 70 points
Would it be reasonable to conclude that the population mean is 63 pounds?
What is the P-value required to reject the null hypothesis and determine the null and alternative hypotheses for the test described - Determine the conclusion of the hypothesis test assuming that the results of the sampling do not lead to rejection ..
a shipment of assorted nuts is labeled as 45 walnuts 20 hazelnuts 20 almonds and 15 pistachios by count. a random scoop
What is the probability that the total number of customers who enter the supermarket in one day is greater than 11700?
write a brief note to describe the following graphs including its useful to a particular variable or data.a bar graphb
fortune magazine publishes an annual issue containing information on fortune 500 companies. the following data show
a bank with branches in a large metropolitan area is considering opening its offices on saturday but it is uncertain
A population is normally distributed with the mean of 100 and a standard deviation of Would it be unusual for mean of sample of 3 to be 115 or more? Why or why not?
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