3. A manufacturing company has three factories: X, Y, and Z. The daily output of each isshown here.ProductFactory XFactory YFactory ZTVs183215Stereos2013If one item is selected at random, find these probabilities.a) It was manufactured at factory X or is a stereo.b) It was manufactured at factory Y or factory Z.c) It is a TV or was manufactured at factory Z.

The data is given by Factory X Factory Y Factory Z Total TVs 18 32 15 65 Stereos 6 20 13 39…

Answered: If one item is selected at random, find…

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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Zeynep plans to invest in Company 1, 2, 3, 4, 5 or 6.An investment is classified to be either a good investment or a bad investment
X 4. A bag of fast-food sandwiches contains two hamburgers, four cheeseburgers, and three chicken burgers. If Wyatt ordered a cheeseburger and a chicken burger, what is the probability that a) the first sandwich selected will be one of his choices? b) neither of the first two sandwiches will be among Wyatt's choices?
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Bag A contains 3 red and 4 black balls and Bag B contains 4 red and 5 black balls. One ball istransferred from Bag A to Bag B and then a ball is drawn from Bag B. The ball so drawn is found tobe red in color. Find the probability that the transferred ball is black.
You are the teacher of two math classes of 20 and 25 students respectively. To get into a university program, the students need a 75% in the class. Suppose each student has a 0.7 probability of getting atleast a 75% in the class. Let X1 be the number of students in the class of 20 who receive atleast a 75%. Let X2 be the number of students in the class of 25 who receive atleast a 75%. a. Do X1 and X2 fit the binomial setting? Are there any issues? For the rest of the question, assume both X1 and X2 can be modeled by a binomial distri- bution. b. What is the probability that exactly 15 students in the class of 20 get into the pro- gram? Do not use Table C. c. What is the probability that atleast 22 students in the class of 25 get into the pro- gram? Do not use Table C. d. Using Table C, what is the probability that atleast 17 students in the class of 20 get into the program? е. Let X be the number of students in both classes that get into the program. Deter- mine the mean and standard…

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If one item is selected at random, find these probabilities. a) It was manufactured at factory X or is a stereo. b) It was manufactured at factory Y or factory Z. c) It is a TV or was manufactured at factory Z.