Select a student from this class at random. If the student earned a score of 3 orhigher on the AP Statistics exam, what is the probability that the studentscored a 5?P(S5)=a. 0.150c. 0.300d. 0.428e. 0.700T5.8 In a class, there are 18 girls and 14 boys. If the teacher selects two students atrandom to attend a party with the principal, what is the probability that the twostudents are the same sex?a. 0.49b. 0.50c. 0.51d. 0.52e. 0.53T5.9 Suppose that a student is randomly selected from a large high school. Theprobability that the student is a senior is 0.22. The probability that the studenthas a driver's license is 0.30. If the probability that the student is a senior orhas a driver's license is 0.36, what is the probability that the student is a seniorand has a driver's license?a. 0.060b.0.066のの○.0= (0.メこで)c. 0.080d. 0.140e. 0.160T5.10 The security system in a house has two units that set off an alarm when motionis detected. Neither one is entirely reliable, but one or both always go off whenthere is motion anywhere in the house. Suppose that for motion in a certainlocation, the probability that detector A goes off and detector B does not go off

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Answered: T5.8 In a class, there are 18 girls and…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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A dice is rolled 3 times. What is the probability of having 3 dots in all 3 rolls? A. 1/2 B. 1/72 C. 1/6 D. 1/216
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You want to select a president and a secretary of the class from a group of 3 people, (Jose, Maria and Pedro). The probability that Jose is president is: what is the correct ? thanks for help a.1/6 b.1/2 c.1/3 d.1/4
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You play two games against the same opponent. The probability you win thefirst game is 0.4. If you win the first game, the probability you also win the second is 0.2.If you lose the first game, the probability that you win the second is 0.3. A tie is not anoption.a. Are the two games independent? Explain.b. What’s the probability you lose both games?c. What’s the probability you win both games?d. Let random variable X be the number of games you win. Find the probabilitymodel for X.

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T5.8 In a class, there are 18 girls and 14 boys. If the teacher selects two students at random to attend a party with the principal, what is the probability that the two students are the same sex? a. 0.49 b. 0.50 c. 0.51 d. 0.52 e. 0.53