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Many investors and financial analysts believe the Dow Jones Industrial Average (DJIA) provides a good barometer of the overall stock market. On January 31, 2006, 9 of the 30 stocks making up the DJIA increased in price (The Wall Street Journal, February 1, 2006). On the basis of this fact, a financial analyst claims we can assume that 30% of the stocks traded on the New York Stock Exchange(NYSE) went up the same day.
a. Formulate null and alternative hypotheses to test the analysts claim.
b. A sample of 50 stocks traded on the NYSE that day showed that 24 went up. What is your point estimate of the population proportionof stocks that went up?
c. Conduct your hypothesis test using ? = :01 as the level of significance. What is your conclusion?
An effort to reduce energy costs, a major university has installed more efficient lights as well as automatic sensors that turn the lights off when no movement is present in a room
I sent to you an email for the online homework the deadline through 10 hours all questions are about 10 please do it in full score
What does the United States do better than other countries?
using a graph of the classical labour market,illustrate the effects of a real wage existing in the market that is lower than the equilibrium real wage.What will eventually happen i
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