The Merrilee Brokerage House studied two groups of industries (computers and petroleum) and rated them as low risks or high risks, asshown.Industry Low HighComputers 105Petroleum 20 151If a person selected one of these stocks at random (that is, each stock had probability of being selected), find the probability that50the person selected a computer stock, given that the person selected a low-risk stock. (Enter your probability as a fraction.)

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Answered: The Merrilee Brokerage House studied…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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A researcher collected data on adult alcohol consumption and marital status. She reported the number of adults in each category. 1- 60 drinks More than 60 drinks O drinks per month Total per month per month Single 20 100 30 150 Married 100 400 150 650 Widowed 10 25 15 50 Divorced 20 80 50 150 Total 150 605 245 1000 An adult is randomly selected from the study. Use this information to find the probabilities requested. Find the following probabilities as fractions. Don't simplify your results. a) What is the probability that a person drinks 1 - 60 drinks per month given that they are divorced? b) What is the probability that a person is divorced given that they drink 1 - 60 drinks per month? c) What is the probability that a person is single given that they have more than 60 drinks per month? d) What is the probability that a person has more than 60 drinks per month given that they are a widow?
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I'm confused as to what distrubution I should use to solve this probability. When tall and colorful plants are crossed with short and colorless plants, four types of plants will result: tall and colorful, tall and colorless, short and colorful, and short and colorless with corresponding probabilities: 0.37, 0.42, 0.11, and 0.10. Ten plants are selected. Find the probability that 5 will be tall and colorful, 2 will be tall and colorless, 2 will be short and colorful, and 1 will be short and colorless.
Given the following information: Bread Meat Cheese Honey Oat (0.6) Ham (0.5) American (0.6) White (0.3) Turkey (0.3) Cheddar (0.2) Wheat (0.1) Roast Beef (0.2) Provolone (0.2) How many possible sandwiches can be made? What is the probability that a sandwich will be Wheat Bread and Roast Beef? What is the probability that a sandwich will have Ham and American or Cheddar?
A survey of athletes at a high school is conducted, and the following facts are discovered: 64% of the athletes are football players, 25% are basketball players, and 6% of the athletes play both football and basketball. An athlete is chosen at random from the high school: what is the probability that they are either a football player or a basketball player? Enter your answer as a percentage. %
Suppose there is a game where you throw a marble and, if it lands in a circle on the ground, it is counted as a success. Suppose that the probability of you throwing a marble and landing in a circle on the ground is 35%. What is the probability of playing 6 rounds and landing in a circle on the ground 3 times? a. 18% b. None of these c. 24% d. 65% e. 35%
A survey of athletes at a high school is conducted, and the following facts are discovered: 50% of the athletes are football players, 47% are basketball players, and 40% of the athletes play both football and basketball. An athlete is chosen at random from the high school: what is the probability that they are either a football player or a basketball player?Enter your answer as a percentage. %
4. 225
1. Researchers are interested in the relationship between vaping and upper respiratory infections. Suppose that 15% of their population of interest has vaped in the past year and 25% have had an upper respiratory infection in the past year. In addition, they know that 10% have both vaped and had an upper respiratory infection in the past year. What percent of the population has neither vaped nor had an upper respiratory infection in the past year? b. What is the probability of having an upper respiratory infection in the past year given that the person has vaped in the past year? What is the complement of the event in part b)? Be sure to interpret this probability in the context of the problem. a. C. d. What is the probability of having an upper respiratory infection in the past year given that the person has not vaped in the past year? Are the two events independent? Be sure to justify your answer. Based on your calculations what can you conclude about the relationship between vaping…

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