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A Child in a tree house uses a rope attached to a basket to lift a 22-N dog upward through a distance of 4.7m into the house. How much work does the child do in lifting the dog?
Business Economics, Economics
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Let x be a random variable that represents the weights in kilograms (kg) of healthy adult female deer (does) in December in a national park. Then x has a distribution that is approximately normal with mean μ = 67.0 ...
A coffee manufacturer is interested in the mean daily consumption of regular-coffee drinkers and decaffeinated coffee drinkers. The random sample of 50 regular-coffee drinker show a mean of 3.84 cups per day. A sample of ...
a) How can use the criteria for evaluating alternative methods of government finance to assess the most important revenue proposals of the 2018/19 budget. b) In the case tax is most important revenue proposals of the 201 ...
In a survey of 320 customers, 84 say that service is poor. You select two customers without replacement to get more information on their satisfaction. What is the probability that both say service is poor?
A local postal carrier distributes first-class letters, advertisements, and magazines. For a certain day, she distributed the following number for each type of item. Delivered to First Class Letters Ads Magazines Home ...
You will receive a payment of $10,000 per year forever; however the first payment will not begin for 9 years. If the appropriate interest rate is 7%, what is this worth today? Is this 10,000/.07 for 142,857.14? Does it m ...
1. Suppose that a Big Mac costs $5.79 in the US, and CHF 6.5 in Switzerland. You are told that the exchange rate between $ and CHF is CHF=$0.5 From what you know about PPP theory and Law of One Price, the swiss franc is. ...
Using a survey, researchers found that women spend on average $100 a standard deviation of $15 for the Christmas holiday. Find the following probabilities. Assume the variable is normally distributed. a. What is the prob ...
1) Let Z be a standard normal random variable with mean = 0 and standard deviation = 1. Us the normal table to find the following answers. a) P(0 b) P(-1.22 c) Find the value Z 0 such that P(0 0 )= 0.4901. 2) On a typic ...
Discuss three ranges of the aggregate supply curve. Explain changes in the AD-AS macroeconomic equilibrium due to the aggregate demand shifts and due to aggregate supply shifts. Apply the AD-AS model to the two types of ...
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