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Question: Suppose the annual return on XYZ stock follows a normal distribution with mean 12% and standard deviation 30%
1. What is the probability that XYZ's value will decrease during a year?
2. What is the probability that the return on XYZ during a year will be at least 20%?
3. What is the probability that the return on XYZ during a year will between -6% and 9%?
4. There is a 5% chance that the return on XYZ during a year will be greater than what value?
5. There is a 1% chance that the return on XYZ during a year will be less than what value?
6. There is a 95% chance that the return on XYZ during a year will be between which two values ( equidistant from the mean)?
Suppose that each child of a particular pair of parents has probability 0.25 of having type O blood. If these parents have 4 children, what is the distribution of the number who have type O blood? Explain your answer.
the mass of a small loaf of bread is normally distributed with mean 500 grams and standard deviation of 20 grams. find
Assume the population variances of the two groups are equal and verify that the estimate of this common variance is 11.25.
Find a bivariate data set relating to your work or business interests on the Internet, in a newspaper, or in a magazine, with a sample size of n¼15 or more.
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the director of transportation for big state university has asked for your help in evaluating the usage of one of the
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