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A small business investment corporation is being formed with enough capital to finance nine independent ventures. The chance of being successful on any one venture is 25%. What are the corporation's chances of all nine ventures being unsuccessful?
Is there evidence of a difference in the median performance between the two methods? (Use x = 0. 05).
the following question was put on a questionnairewhat was your last salary?a 0 -10000b 10001 - 20000c 20001 - 30000d
The weight of cans of fruit is normally distributed with a mean of 1,000 grams and a standard deviation of 50 grams. What percent of the cans weigh 860 grams or less?
Distribution showing the advertising expenditures for 60 manufacturing companies located in the Southwest. Estimate the mean and the standard deviation of advertising expense.
Suppose that, in a sample of 200, we observe 140 successes. Is this sufficient evidence at the 1% significance level to indicate the the population proportion of successes is greater than 65%
In a survey of 500 randomly selected high school students, it was determined that 288 played organized sports. What is the probability that a randomly selected high school student plays organized sports?
Find the probability that the number who considers themselves baseball fans is (a) exactly eight (b)at least eight and (c) less than eight. If possible use technology to find the probabilities.
An economics course are independent events, what is the probability that a randomly selected student is registered in either a math course or an economics course?
Perform the chisquare test for a uniform distribution. At α = .05, does this sample contradict the assumption that sales are the same for each beverage?
The probability is 1 in 4,000,000 that a single auto trip in the United States will result in a fatality. Over a lifetime, an average U.S. driver takes 50,000 trips. (a) What is the probability of a fatal accident over a lifetime? Explain your rea..
Sampling distributions. Given a normal distribution with μ = 50 and standard deviation σ = 9, if a sample of n = 100 is selected.
The products are acceptable and that 30% are defective. If five of the products are randomly selected, find the probability that all five are defective?
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