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Probability Recently Posted Questions

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Births of Twins The probability that a birth will
Probability Problems Looking for help on the following 3 questions: Births of Twins The probability that a birth will result in twins is .012. Assuming independence (perhaps not a valid assumption …
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A random variable X has a binomial distribution
Binomial Distribution 1. A random variable X has a binomial distribution with mean 6 and variance 3.6. Find P(X = 4). 2. A certain type of mint has a label weight of 20.4 grams. Suppose that the p …
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The time needed to complete the final examination
Normal Distribution The time needed to complete the final examination of MGSC 301 is normally distributed with a mean of 120 minutes and a standard deviation of 12 minutes. a. What is the probabil …
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Each salesperson at Stiles-Compton is rated either
Probability problems 2. Each salesperson at Stiles-Compton is rated either below average, average, or above average with respect to sales ability. Each salesperson is also rated with respect to his o …
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The accounting department at Weston Materials, Inc.
Using the normal distribution for determining probabilities Continuous Probability Distributions # 42 The accounting department at Weston Materials, Inc., a national manufacturer of unattached g …
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