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What about this hypothesis test?
H0: mean <= 12
Ha: mean > 12
A sample of 25 units yields a sample mean of 14 and a sample standard deviation of 4.32. Do we have statistical significance if our alpha value is .05?
Statistics and Probability, Statistics
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A hypothetical population consists of eight individuals ages 13, 15, 17, 21, 22, 23, 26, and 30 years. (Enter your answers to three decimal places.) (a) What is the probability that a person in this population is a teena ...
You are considering investing in a mutual fund. The fund is expected to earn a return of 15 percent in the next year. If its annual return is normally distributed with a standard deviation of 6.10 percent, what return ca ...
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Question: Suppose you have applied to three graduate schools: A, B, and C. The odds of getting into A are 20%, into B are 40%, and into C are 60%. What is the probability you get rejected at all three schools? Get accept ...
Why has LIBOR played such a central role in international business and financial contracts? Why has this been questioned in recent debates over its value reported?
Question: 1. Decision Theory There are two available diagnostic methods ¬- D1 and D2 - to predict if a tissue sample is benign or malignant. Ninety percent of the samples processed are benign. The performance of the diag ...
Consider the following cash flows: Year Cash Flow 0 -$5,900 1 2,000 2 2,700 3 1,500 4 900 What is the payback period for the above set of cash flows? In years
Only 35% of the drivers in a particular city wear seat belts. Suppose that 20 drivers are stopped at random what is the probability that exactly four are wearing a seatbelt? (Round your answer to 4 decimal places)
A corporate bond is currently selling for $840. It has 5 years till maturity, 6% coupon, and YTM=10%. What is the par value?
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Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate
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