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Let X1, X2 be a random sample from a distribution with density function f(X)=thetaX^theta-1 for 0
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Simone founded her company using $175,000 of her own? money, issuing herself 200,000 shares of stock. An angel investor bought an additional 200,000 shares for $125,000. She now sells another450,000 shares of stock to a ...
Average sales for an online textbook distributor were $74.67 per customer per purchase. Assume the sales are normally distributed. If the standard deviation of the amount spent on a textbooks is $9.49, find these probabi ...
From a sample of 35 presidential elections - 19 of those have been Republican (R) victories - and 16 have been Democrat (D) victories. I need to know how to construction a 95% confidence interval about the proportion o ...
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 ...
From a random sample of 41 teens, it is found that on average they spend 31.8 hours each week online with a standard deviation of 3.65 hours. What is the 90% confidence interval for the amount of time they spend online e ...
Explain the similarities and differences between "bagging" and "boosting" in predictive analytics.
A researcher selects from a participant pool of 8 males and 11 females. He determines that the probability of selecting 2 female participants is p = .335. Based on this probability, what strategy did the researcher use t ...
An investor would like to add the following bond to her portfolio. The bond would be held for 7 years and then sold. The investor has gathered the following information to analyze the bond: Company XYZ Currency: CAD Face ...
Based on labor? statistics, 12 % of workers in a particular profession are male. Complete parts a through e below based on a random sample of 8 workers in this profession. a. What is the probability that exactly one wor ...
1) Assume that the international average homicide victimization rate is 2.92 (per 100,000). In a sample of 24 industrialized nations, LaFree and Drass (2002) found that the mean homicide victimization rate was 1.49 (per ...
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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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