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Rc Cola soda, inc. claims that 20 percent of the population can identity its products. In efforts to boost their identity, Rc Cola employs a famous spokesperson to advertise. A survey is then taken to assess the results o the ad campaign. The results show that 21 percent of the 1000 respondents can identity RC cola products. Has the advertising campaign made any difference in the product identity? Use the 0.05 significance level.
a) State the null and alternate hypotheses
b) State the decision
c) Compute the value of the test statistic
d) Estimate the p- value
e) What is your decision regarding the null hypothesis? Interpret the result
Compute the yield to maturity to the nearest percentage point.
Eating fresh fruits and vegetables is an example. National defence is an example. Influenza vaccination is an example of a....
The electricians' union is a good example of:
Under the responsibility scheme proposed by the Hong Kong government, households will be charged for solid waste disposal. Is this charge justifiable from an economics point of view? Explain your answer with a diagram. Is it fair to charge all househ..
When demand is elastic, marginal revenue will be: If the cross-price elasticity between ketchup and hamburgers is −1.5, a 2 percent decrease in the price of ketchup will lead to a:
What is the Phillips curve? Understand why positive unexpected inflation is associated with a negative output gap and vice-versa. Understand why combining the Phillips Curve with adaptive expectations of inflation means that Y above Y* will mean ever..
A retiree living on pension income typically has lower income than if s/he had kept on working.
What are the advantages and disadvantages of using a distributed vs. centralized database design?
Suppose Mr Masaki operates a newspaper stand in japan. He sells the Japan Times and English newspaper published in Japan, at the same price as all other newspaper stands do. What is the price elasticity of demand for the Japan Times sold by Mr Masaki..
Moral Hazard. A worker can choose either high or low level of effort. The cost of high level is 1, the low level does not cost anything. If the agent chooses the high (low) level, principal gets π with probability pH (pL) and zero otherwise. Find the..
If you were to learn that gatorade introduced new favors in 2010, how should that information affect your calculation to the inflation rate.
Elucidate Congress is considering reinstating a 10% investment tax credit in order to stimulate the economy.
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