The chances of a delegate attending a certain seminar arriving via plane, bus, vehicle, or rail are.40,.20,.30, and.10, respectively. What is the probability that three participants arrived by plane, three by bus, one by car, and two by train among the nine attendees chosen at random for this seminar?

The chances of a delegate attending a certain seminar arriving via plane, bus, vehicle, or rail are.40,.20,.30, and.10, respectively. What is the probability that three participants arrived by plane, three by bus, one by car, and two by train among the nine attendees chosen at random for this seminar?

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...

See similar textbooks

Similar questions

77% of all students at a college still need to take another math class. If 43 students are randomly selected, find the probability thata. Exactly 30 of them need to take another math class. b. At most 35 of them need to take another math class. c. At least 33 of them need to take another math class. d. Between 27 and 33 (including 27 and 33) of them need to take another math class.
Naturalization. The Office of Immigration Statistics collects and reports information about naturalized persons in the document U.S. Naturalizations. During one year, there were 694,193 persons who became naturalized citizens of the United States and, of those, 36%were originally from Asia. If 200 people who became naturalized citizens of the United States that year are selected at random, what is the probability that the number who were originally from Asia is a. fewer than 65? b. between 70 and 80, inclusive? c. less than 60 or more than 80?
A financial services committe had 60 members, of which 9 were women. If 7 members are selected at random, find the probability that the group of 7 would be composed as the following. a.6 men and 1 women b.5 men and 2 women c. at least one women
In a particular group of students, there is a .25 probability that any randomly-picked student is an only child and a .29 probability of having one sibling. What is the probability of a student in that group having two or more siblings? A. 1.00 B. .46 C. .42 D. .39 E. .28 F. 0
..............
Assume that 50% of the students at the university have taken four years of high school math. Of those with four years of high school math, 60% plan to major in science. Of those without four years, Only 25% plan to major in science. You stop a student at random. If the student plans to major in science, what is the probability that the student had four years of high school math?
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?
In a certain college, 33% of the physics majors belong to ethnic minorities. If 10 students are selected at random from the physics majors, what is the probability that no more than 6 belong to an ethnic minority? O a. 0.9846 O b. 0.9814 C. 0.9130 O d. 0.0547
60% of all students at a college still need to take another math class. If 46 students are randomly selected, find the probability that a. Exactly 26 of them need to take another math class. b. At most 27 of them need to take another math class. C. At least 26 of them need to take another math class. d. Between 27 and 32 (including 27 and 32) of them need to take another math class.
The three stooges (Larry, moe and Curley) and the four max brothers (Chico, harpo, Groucho and Zeppo) are randomly assigned a place in line. What is the probability the first three in line will be moe, Larry and curly in that order?
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.