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1. If the daily stock price, x, of United Technology is normally distributed with mean 6.56 and standard deviation 2.4, calculate the probability that in a randomly selected ay the price will be between $3.25 and $7.36. Hint: Review normal distribution
2. An important measure of the risk associated with a stock is the standard deviation, or variance, of the stock\'s price movements. A financial analyst wants to test the hypothesis that stock A has a greater risk than stock B. A random sample of 25 daily prices of stock A gives the sample variance of, and a random sample of 22 daily prices of stock B gives a sample variance of . Carry out the F-test at 52.62=as47.32=Bsá = 0.01.
3) An industry is comparing its performance against an industry benchmark that no more than 30 percent of its product will be returned by its customers in a given month. A sample of 350 customers 113 of them returned the company product. At á = .025, does this sample prove that the rate of return exceeds the benchmark
Conduct an analysis of four management journal articles, at least two of which must be peer reviewed. The following must be included in my analysis:
According to an IRS study, it takes a mean of 330 minutes for taxpayers to prepare, copy and electronically file a 1040 tax form. The distribution of times follows the normal distribution and the standard deviation is 80 minutes. A consumer watchd..
Think about a real life situation that follows a linear equation, with the independent variable being years. What would the slope tell you about future years?
Discuss how you would investigate the operations of the plant to determine why the proportions were off the targeted values. Speculate on three or more possible conditions in plant and bagging process that could have caused the observed results.
A student is selected at random from the class. What is the probability that the student is both a junior and an economics major?
26% of college students say they use credit card because of the rewards program . You randomly select 10 college students and ask each to name the reason he or she uses credit cards.
Assuming this is literally true, how can it be explained? What facts and/or statistics would you need to know to expose this misleading claim?
Determine the probability in big class that both sections are covered? Only one section? Neither section? Determine the expected number of sections covered?
There are four entrances to the Government Center Building in downtown Philadelphia. The building maintenance supervisor would like to know if the entrances are equally utilized.
What is the probability that the person thinks that "Made in America" ads boost sales and uses social media online?
Cholesterol levels for women follow a normal distribution with mean = 185 mg/dL and standard deviation = 50 mg/dL. What percent of women have cholesterol levels above 240?
A sample of 84 golfers showed that their average score on a particular golf course was 89.05 with a standard deviation of 3.47.
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