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A drug company is testing a drug intended to increase heart rate. A sample of 100 yielded a mean increase of 1.4 beats per minute, with a population standard deviation known to be 3.6. Since the company wants to avoid marketing an ineffective drug, it proposes a 0.001 significance level. Should it market the drug? (Hint: If the drug doesn't work, the increase will be zero.)
(a) Describe an appropriate null hypothesis, alternative hypothesis.
(b) Calculate the test statistic and P-value
(c) What are your conclusions? Should the company market the drug? Explain your reasoning.
Drezner mentions that in this current era of globalization, the international relations community might need to develop brand new theories to explain global governance, rather than relying on theories that took hold in the latter part of the 20th ..
If technological change shifts the long-run aggregate-supply curve to the right, it will also do which of the following?
A $200,000 bond having a bond rate of 8% payable annually is purchased for $190,500 and kept for 6 years, at which time it is sold. How much should it sell for in order to yield a 7% effective annual return on the investment?
An economy has the following eqn for the Phillips Curve: pi=Epi - .5(u-6) People form expectations of inflation by taking a weighted average of the previous 2 years of inflation: Epi=0.7pi-1 + 0.3pi-2 Okun's law for this economy is: (Y-Y1)/Y-1 = 3.0-..
The United States has experienced significant increases in the concentration of industry. For example, there are fewer but larger banks now than in the 1980s.
(i) Construct a payoff matrix for this game. (ii) Determine whether each firm has a dominant strategy and, if it does, identify the strategy. (iii) Determine the optimal strategy for each firm.
Classify the following topics as relating to microeconomics or macroeconomics.
What are the portfolio weights for a portfolio that has 154 shares of Stock A that sell for $50 per share and 120 shares of Stock B that sell for $25 per share?
If extension of provisions is made to final goods but not to intermediate goods, what would this do to effective rate of protection (ERP) for country provided by its tariff schedule.
q1. assume which there is an increase in total factor productivity. in the search model of unemployment find out the
Suppose Chinese factory workers start a strike and unionize. Also, suppose Adidas releases a statement claiming Nike hires children under the age of 12 to work in their factories. Graph the shift in supply and/or demand. Be sure to label the new equi..
we dot know whether the total quantity of Internet ads will increase or decrease. Is the students analysis correct? Illustrate your answer with a demand and supply graph.
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