Question: According to BusinessWeek the average market value of a biotech
According to BusinessWeek, the average market value of a biotech company is less than $250 million. Suppose that this indeed is the alternative hypothesis you want to prove. A sample of 30 firms reveals an average of $235 million and a standard deviation of $85 million. Conduct the test at α = 0.05 and α = 0.01. State your conclusions.
Answer to relevant QuestionsA company's market share is very sensitive to both its level of advertising and the levels of its competitors' advertising. A firm known to have a 56% market share wants to test whether this value is still valid in view of ...The U.S. Department of Commerce estimates that 17% of all automobiles on the road in the United States at a certain time are made in Japan. An organization that wants to limit imports believes that the proportion of Japanese ...An article in Active Trader claims that using the Adaptive Renko trading system seems to give a 75% chance of beating the market. Suppose that in a random simulation of 100 trades using this system, the trading rule beat the ...The engine of the Volvo model S70 T-5 is stated to provide 246 horsepower. To test this claim, believing it is too high, a competitor runs the engine n = 60 times, randomly chosen, and gets a sample mean of 239 horsepower ...According to The Economist, the current office vacancy rate in San Jose, California, is 21%.An economist knows that this British publication likes to disparage America and suspects that The Economist is overestimating the ...
Post your question