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In a survey of top executives, it was found that 46% had either traveled internationally on business or could fluently speak a foreign language. The probability that an executive who had not traveled internationally could speak a foreign language was 10%. It was found that only 4% of the executives had traveled internationally and could speak a foreign language.
What is the probability that an executive who speaks a foreign language has not traveled internationally?
Assume that JVC is trying to decide how to rate a new stereo system composed of a receiver, CD player, & speakers. The firm's economists have estimated that 2-different groups will buy these products
Find 95% confidence intervals for the proportion of Tyson packages with contamination and the proportion of Perdue packages with contamination (use 3 decimal places in your answers).
In the summer ECMBA has a group assignment. Students are assigned to two person groups that have to make a 25 point paper applying game theory to competitive strategy.
Advanced Micro Devices declared a 10 percent price raise for certain advanced microprocessors, used primarily in video games. The processors will sell for about $1,000 compared to Intel's $950 price.
An instructor claims the average time to take a statistics test is more than 39 minutes. If a sample of 33 students took 43 minutes, is the instructor's claim true? Test at the 0.05 level.
A hat contains three coins - one gold, one silver and one copper. You will select coins one at a time without replacement until you choose the gold coin. The outcome of interest is the sequence of coins that are selected during this process.
In a public opinion poll, 48% of 189 respondents favor an elimination of taxes on dividend income.
Suppose you are a potential entrant into a market that previously has had entry blocked through the government. Your market research has estimated that the market demand curve for industry is
The time it takes a symphony orchestra to play beethovens ninth symphony has a normal distribution with a mean of 64.3 minutes and a standard deviation of 1.15 minutes. If an orchestra plays it so slowly that 80% of the orchestras play faster than..
Kodak & Fuji develop photographic film. Assume that there are no other significant manufactures, so that Kodak and Fuji constitute a duopoly
Company A and B are battling for market share in two separate markets. Market I is worth $30 million in revenue; market II is worth $18 million.
Use the above survey results to test the claim that less than half of all Ohio State female students who, if they had a cell phone, would be willing to walk somewhere after dark that they would normally not go. What is the value of the test statis..
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