1. In a class of ten students, three wear eyeglasses. If two students are selected at random, what isthe probability that:a. One wears eyeglassesb. At least one wears eyeglassese. Neither of the two wears eyeglasses

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Answered: 1. In a class of ten students, three…

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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1. In a class of ten students, three wear eyeglasses. If two students are selected at random, what is the probability that: a. One wears eyeglasses b. At least one wears eyeglasses c. Neither of the two wears eyeglasses
A math class consists of 25 students, 14 female and 11 male. Three students are selected at random to participate in a probability experiment. Compute the probability that d. three males are selected. e. three females are selected.
A kid’s box contains 36 broken B toys and 23 good G toys. The parents plan to donate 18 toys of their child.a. How many number of ways of selecting exactly 10 good toys.b. How many number of ways of selecting exactly 18 broken toys.c. What is the probability (T) that all selected toys to be donated are broken?d. What is the probability (T) that the selected toys to be donated have exactly 10 good toys?
В. Forty five percent of the streets in an area have private guards for security. Three streets are selected at random: i. What is the probability all three of the selected streets have private guards? What is the probability none of the three selected streets has private guards? What is the probability at least one of the selected streets has private guards? iv. ii. iii. What is the probability at most two of the selected streets have private guards?
A bag contains 24 marbles, of which 6 are blue and 8 are green. One marble is drawn from the bag. What is the probability that the marble drawn is not blue? 3 OA. 4 OB. 4 3 OC. 7 7 OD. 12
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?
72% of all Americans are home owners. If 49 Americans are randomly selected, find the probability thata. Exactly 36 of them are are home owners. b. At most 33 of them are are home owners. c. At least 32 of them are home owners. d. Between 32 and 40 (including 32 and 40) of them are home owners.
A bag containing 16 balls - 4 red, 7 green, 3 yellow, and 2 blue. Four balls are selected. a. What is the probability that all balls are green? b. What is the probability that exactly two of the balls are green? c. What is the probability that none of the balls are yellow? d. What is the probability that all of the balls are blue?
61% of all violent felons in the prison system are repeat offenders. If 41 violent felons are randomly selected, find the probability that a. Exactly 24 of them are repeat offenders. b. At most 26 of them are repeat offenders. c. At least 22 of them are repeat offenders. d. Between 22 and 27 (including 22 and 27) of them are repeat offenders.
There are 100 students surveyed. 46 are taking Calculus, 24 are taking Spanish, and 12 are taking both Calculus and Spanish. If a student is picked at random, what is the probability that the student is taking Calculus or Spanish? O A. 70% C. 46% B. 82% O D. 58%
62% of all students at a college still need to take another math class. If 47 students are randomly selected, find the probability that a. Exactly 26 of them need to take another math class. b. At most 28 of them need to take another math class. C. At least 27 of them need to take another math class. d. Between 26 and 32 (including 26 and 32) of them need to take another math class.
4. Final: In a monthly report, the local animal shelter states that it curently has 21 dogs and 27 cats. Fourteen of the dogs and 18 of the cats are female. If an animal is selected at random, find the probability that the pet is a male dog. O a. 4283 O b.1458 O c.5194 O d. .2319 Previous page Jump to. 近

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1. In a class of ten students, three wear eyeglasses. If two students are selected at random, what is the probability that: a. One wears eyeglasses b. At least one wears eyeglasses e. Neither of the two wears eyeglasses