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### Question #2000061: Normal Distribution

Question: According to Investment Digest ("Diversification and the Risk/Reward Relationship", Winter 1994, 1-3), the mean of the annual return for common stocks from 1926 to 1992 was 13.4%, and the…

### Question #2000194: Normally Distributed Variables

Question: Assume that the salaries of elementary school teachers in the U.S. are: Normally distributed Mean: $26,000 Standard deviation:$5,000 What is the cutoff salary for teachers in the bottom…

### Question #2000347: Probabilty Distributions

Question: The OVRTA reports that 74% of its buses are “on time”. If 200 buses are checked at random, the probability that there are more than 150 buses “on time”…

### Question #2000387: Other Probability Problems

Question: Behind in Coin Tossing: Can You Catch Up? Suppose that you toss a fair coin 100 times, getting 38 heads and 62 tails, which is 24 more tails than…

### Question #2000659: Probability Problems

Question: Construct the probability distribution for the sum shown on the faces when two dice are rolled. Solution: The solution consists of 89 words (2 pages)Deliverables: Word Document

### Question #2000793: Basic Probability Theorems

Question: You roll two fair dice, a blue one and a yellow one a) write a sample space. b) Find P (even number on the blue dice and 3 on…

### Question #2000886: Basic Probability Theorems

Question: Problem 12) You draw two cards from a standard deck of 52 cards and do not replace the first card before you draw the second. a) What is the…

### Question #2000944: Probabilty Distributions

Question: The function $$f\left( x \right)$$ is a probability distribution f\left( x \right)=\left\{ \begin{align} & \frac{2}{9}\left( 3-x \right)\,\,\,\,\,\,\,\,\,0\le x\le 3 \\ & 0\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\text{otherwise} \\ \end{align} \right. Compute \(\Pr \left( 1\le…

### Question #2001046: Other Probability Problems

Question: A furnace company provides a guarantee to its customers: if their newly purchased furnace fails within one year, the company will return 100% of the initial cost to the…