Concept explainers
In Exercises 1–8, use Bayes’ theorem or a tree diagram to calculate the indicated probability. Round all answers to four decimal places. [HinT: See Quick Example 1 and Example 3.]
Want to see the full answer?
Check out a sample textbook solutionChapter 7 Solutions
Finite Mathematics
- Part 2 of 2 What is the probability that a randomly chosen senior will have a GPA greater than 4.1? The probability that a randomly chosen senior will have a GPA greater than 4.1 is X Sarrow_forwardi will rate. answer correctly.arrow_forwardBased on historical data kept by a business school, the probability distribution for students who have been found in violation of academic integrity in the core accounting class each semester is given below. Let x = number of students found in violation of academic integrity in a semester in the core accounting class. Answer the questions below. Do your calculations in the columns to the right of Prob(x). x Prob(x) 0 0.5 1 0.18 2 0.17 3 0.04 4 0.106 5 0.004 A) Is this a valid probability distribution? Justify briefly. B) What is the expected value of the number of students found to be in violation of academic integrity in the core accounting class c) What is the standard deviation of the number of students found to be in violation of academic integrity in the core accounting class?arrow_forward
- Example 2.3.12 When two dice are thrown, find the probability that the difference of the points on the dice is 2 or 3.arrow_forwardQuestion 2, section 6.1arrow_forwardll GOMO 1:07 AM 32% O Activity 3 .docx Activity/Assessment: Directions: Answer the following question. 1. On New Year's Eve, the probability of a person driving while intoxicated is 0.32, the probability of a person having a driving accident is 0.09, and the probability of a person having a driving accident while intoxicated is 0.06. What is the probability of a person driving while intoxicated or having a driving accident? 2. In a recent survey, the following data were obtained in response to the question, "If the number of summer classes were increased, would you be more likely to enroll in one or more of them?" Class No opinion Yes No Freshmen 15 Sophomores 24 4 If a student is selected at random, find the probability that the student a. Has no opinion b. Is a freshman or is against the issue c. Is a sophomore and favors the issue 3. There are 16 seniors and 15 juniors in a particular social organization. In how many ways can 4 seniors and 2 juniors be chosen to participate in a…arrow_forward
- i need help comprehending this question.arrow_forwardANSWER COMPLETELY FOR UPVOTEarrow_forwardValue 170, 3 of 11 Part 1 of 2 points Help O Points: 0 of 1 Save An oil company is considering two sites on which to drill. The sites are described in the following table. Complete parts (a) through (b) below. Site A: Profit if oil is found: $120 million Loss if no oil is found: $20 million Probability of finding oil: 0.2 Site B: Profit if oil is found: $180 million Loss if no oil is found: $30 million Probability of finding oil: 0.1 a. Which site has the larger expected profit? ti Site A has the larger expected profit. Site B has the larger expected profit. /1 The expected profits for both sites are the same. /1 Final check Clear all Get more help - View an example Help me solve thisarrow_forward
- Algebra & Trigonometry with Analytic GeometryAlgebraISBN:9781133382119Author:SwokowskiPublisher:Cengage