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Two sisters attend different universities. Each is sure that she has to compete with brighter students than her sister. They decide to settle their disagreement by comparing ACT admission scores of freshmen at the two schools. Suppose they bring you the following data and ask for an analysis. The N's represent all freshmen for one year.
The U.
State U.
X‾
23.4
23.5
S^
3
N
8000
The sisters agree to a significance level of .05. Begin by deciding whether to use a one-tailed or a two-tailed test. Calculate a t test and interpret your results. Be sure to carry several decimal places in your work on this problem.
The singular form of the word "dice" is "die". Tom was throwing a six-sided die. The first time he threw, he got a three; the second time he threw, he got a three again. What's the probability of getting a three at the third time?
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post your response to the following questions and participate in the discussion with your fellow students during the
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Austin Co. needs to borrow $10 million for the next year to support its U.S. operations. It can borrow U.S. dollars at 7 percent or Japanese yen at 1 percent. It has no other cash flows in Japanese yen. Assume that interest rate parity holds, so t..
Assume that a lot from product 5% non-conforming is submitted. Using Poisson Distribution compute the approximate probabilities that: the lot will be accepted and still in a reduced inspection.
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Make (a) a frequency table, (b) a histogram, and (c) a frequency polygon. Then describe the general shape of the distribution.
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