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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This problem involves students who have taken Calculus in high school. Assume that 35 percent of students have taken calculus in high school. Of those who have taken calculus in high school, 75 percent plan to major in science. Of those who did not take calculus in high school, only 20 percent plan to major in science. What is the probability that a randomly selected student plans to major in science?
The Merrilee Brokerage House studied two groups of industries (computers and petroleum) and rated them as low risks or high risks, as shown. Industry Low High Computers 10 5 Petroleum 15 20 If a person selected one of these stocks at random (that is, each stock had probability of being selected), find the probability that the person selected a computer stock, given that the person selected a low- 50 risk stock. (Enter your probability as a fraction.)
Dan's Diner employs three dishwashers. Al washes 40% of the dishes and breaks only 2% of those he handles. Betty and Chuck each wash 30% of the dishes, and Betty breaks only 2% of hers, but Chuck breaks 4% of the dishes he washes. You go to Dan's for supper one night and hear a dish break at the sink. What's the probability that Chuck is on the job? The probability that Chuck is on the job is. (Round to three decimal places as needed.)
Dan's Diner employs three dishwashers. Al washes 20% of the dishes and breaks only 1% of those he handles. Betty and Chuck each wash 40% of the dishes, and Betty breaks only 1% of hers, but Chuck breaks 3% of the dishes he washes. You go to Dan's for supper one night and hear a dish break at the sink. What's the probability that Chuck is on the job? The probability that Chuck is on the job is (Round to three decimal places as needed.) An Pas
. Assume that 75 percent of the students at the university have taken 4 years of high school math. Of those with four years of high school math, 80 percent plan to major in science. Of those without 4 years, only 10 percent plan to major in science. You stop a student at random. If the student plans to major in science, what is the probability that this student had four years of high school math?
At a local college, four sections of economics are taught during the day and two sections are taught at night. 65 percent of the day sections are taught by full-time faculty. 15percent of the evening sections are taught by full-time faculty. If Jane has a part-time teacher for her economics course, what is the probability that she is taking a night class? The probability that she is taking a night class is nothing. (Type an integer or a fraction.)
We randomly select a batch of 40 computer disks for shipment. The probability of selecting a good disk is the same as the probability of selecting a defective disk. In part C, you will determine the probability that this shipment contains 10 defective disks and 30 good disks for our batch or 15 defective disks and 25 good disks for our batch. Note: I am not asking for an example of an outcome, although I may ask for examples of outcomes on the exam. A. What is the size of your sample space S? i.e., How many different outcomes (batches of 40 disks) in your sample space? What are the conditions? What counting technique(s) are you using? B. How many outcomes when randomly selecting 10 defective disks and 30 good disks for our batch or 15 defective disks and 25 good disks for our batch. What are the conditions? What counting technique(s) are you using? C What is the probability of randomly selecting a batch of 10 defective disks and 30 good disks or a batch of 15 defective disks and 25…
In a particular university, 46% of female undergraduates take on debt. If you are asked to Find the probability that none of the female undergraduates have taken on debt if 10 female undergraduate students were selected at random., what probability should you be finding? Select from below: Group of answer choices P(0 female undergraduates take on debt) P(10 female undergraduates take on debt) P(1 female undergraduate takes on debt) P(2 female undergraduates take on debt)
Course: StatisticsAn electronics retailer importing container from China has knowledge that 3% of the items in each container are out of order, if from the last container, the retailer chooses 20 products at random, find the probability that 4 of them are out of order. Select one:a. There is a 0.12%b. There is 0.002%.c. There is 0.2%.d. There is 3%.e. There is 1.2%.
Suppose that 30% of people have a dog, 17% of people have a cat, and 10% of people own both. What is the probability that someone owns a dog or a cat? The probability of a person having a dog or a cat is (Type an integer or a decimal.)
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In government data, a family consists of two or more persons who live together and are related by blood or marriage. Choose an American family at random and count the number of people it contains. Here is the assignment of probabilities for your outcome:Number of persons 2 3 4 5 6 7+Probability 0.42 0.23 0.21 0.09 0.03 0.02What is the probability that the family you choose has more than two people?

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