14. The percentages of voters classed as Liberals in three different electiondistricts are divided as follows: In the first district, 21 percent; in the seconddistrict, 45 percent; and in the third district, 75 percent. If a district is selectedat random and a voter is selected at random from that district, what is theprobability that he will be a Liberal?

Conditional Probability: Let A and B be two events with P(A) > 0. Then the conditional…

Answered: 14. The percentages of voters classed…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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1. A. Please answer on a paper and step by step. A candy dish contains 5 blue and 3 red candies. A child reaches up and selects three candies withoutlooking. What is the probability that there are 2 blue and 1 red candies in the selection?
1. Maria has eight black marbles, fourteen clear marbles, and twelve blue marbles in a bag. If she picks two marbles at random, without replacement, what is the probability that she will select a blue marble first, then a clear marble? 2. At a local restaurant, 55% of people order an appetizer to start while 25% order a salad to start. Also, 18% choose both an appetizer and a salad to start. What percentage of people order a salad or an appetizer to start?
A random student will be selected from the College of Engineering. The number of male (B) and female (G) students in each department are as follows: For Civil Engineering (C) it is 43 and 15 respectively; for Electronics and Electrical engineering (E), it is 32 and 19 respectively; and for Mechanical Engineering (M), its 23 and 8 respectively. A. What is the probability that the student is male ME student or an EE student? B. What is the probability that the student is female given that she is not an ME student? C. What is the probability that the student is either a female or a CE student? D. What is the probability that the student is a male given that he is a CE student?
1. The test contains four questions, and there are five different answers to each of them, of which only one is correct, the others are incorrect. What is the probability that a student who does not know the answer to any question will guess the right answer? (PERCENTAGE FORMAT) 2. At a certain university, 25% of students are in the business faculty. Of the students in the business faculty, 66% are males. However, only 52% of all students at the university are male. a. What is the probability that a student selected at random in the university is a male in the business faculty? b. What is the probability that a student selected at random in the university is male or is in the business faculty? c. What percentage of males are in the business faculty? (PERCENTAGE FORMAT)
1. In a candy jar, there are 20 blueberry and 12 cherry gumballs. If you randomly select two gumballs from this jar, what is the probability that both of them are the same flavor?Round your answer to 3 places after the decimal point, if necessary; or enter your answer as a fraction. 2. In the manufacturing division of a particular company, there are 79 managers and 38 supervisors. If two employees from the manufacturing division are randomly selected to represent the company at an upcoming conference, what is the probability that both employees have the same job title?Round your answer to 3 places after the decimal point, if necessary; or enter your answer as a fraction. 3.
b. A bag contains 33 blueblue marbles, 77 redred marbles, and 66 greengreen marbles. If two different marbles are drawn from the bag , what is the probability of drawing first a blueblue marble and then a greengreen marble?
A survey was done in regards to what type of animals are preferred as pets. Each respondent selected their top choice of animal for a pet. Respondents selected from: dog, cat, farret, fish, and bird. After the survey was completed, 41% picked dog, 34% picked cat, 4% picked farret, 8% picked fish, and 13% picked bird. Suppose three respondents were chosen at random. What is the probability that AT LEAST ONE of them picked dog? Round the answer to 3 decimal places.
2. A family of two parents and three children lines up in a row for a photograph. If the three children are randomly placed in a row in front of their parents, what is the probability that they will be arranged in ascending or descending order of age? and from sight technicians four
2. A dance crew of 12 is to be randomly selected from 11 hip-hop dancers, 9 ballet dancers, 13 ballroom dancers and 7 break dancers. What is the probability of having 5 ballet dancers on the dance crew?

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