The probabilities are 0.40, 0.20, 0.30 and 0.10 respectively,that a delegate to a certain seminar arrived by air, bus,automobile or train. What is the probability that among 9delegates randomly selected at this seminar, 3 arrived byair, 3 by bus, 1 by automobile and 2 arrived by train.

Answered: Image /qna-images/answer/b7780061-3a50-4bc8-887e-dc46b85b47a9.jpg

Answered: The probabilities are 0.40, 0.20, 0.30…

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

A web server's visit always comes from five sites. The percentages of known visits from sites 1, 2, 3, 4 and 5 are 20%, 30%, 15%, 10% and 25% respectively. The probability of visits from five sites lasting more than 2 minutes is 0.4, 0.6, 0.8, 0.2 and 0.9 respectively. Now randomly select a visit. What is the probability that the visit lasts more than 2 minutes? If the selected visit last more than 2 minutes, which sites does it most likely come from?
A shipment of 7 microwave ovens contains 2 defective units. A restaurant buys four of these units. What is the probability of the restaurant buying at least three nondefective units? The probability of the restaurant buying at least three nondefective units is
A bucket contains 6 yellow softballs and 4 white softballs. Two softballs are selected at random without replacement. What is the probability that the first selected softball is white and the second is yellow?
A pharmacist receives a shipment of 2121 bottles of a drug and has 44 of the bottles tested. If 66 of the 2121 bottles are contaminated, what is the probability that less than 33 of the tested bottles are contaminated?
Last semester, a certain professor gave 21 As out of 330 grades. If one of the professor's students from last semester were selected randomly, what is the probability that student received an A? (Assume that each student receives one grade.)
American Airlines flights from Chicago to Dallas are on-time 71% of the time. Suppose 5 flights are randomly selected, and the number of on-time flights is recorded. The probability that exactly 4 flights are on time is The probability that at most 4 flights are on time is The probability that at least 4 flights are on time is
A circle of friends consist of 10 individuals. 3 of them likes chocolate, 2 likes strawberry and 5 likes vanilla. what is the probability of randomly selecting 6 friends in the following manner: 1 likes chocolate, 2 likes strawberry and 3 likes vanilla?
If a person randomly picks and buys one of the four newsletters in the street each morning. What is the probability that the person will purchase three different newsletters on three consecutive mornings?
Assume that the number of network errors experienced in a day on a local area network (LAN) is distributed as a Poisson random variable. The mean number of network errors experienced in a day is 1.9. What is the probability that in any given day less than three network errors will occur? ..... The probability that less than three network errors will occur is (Round to four decimal places as needed.)
If there are 23 people in a room, and 5 of them are wearing blue shirts, what is the probability that a randomly selected person in the room is wearing a blue shirt?
A committee of three people is to be randomly selected from a group of 20 men and 17 women. What is the probability that all three people will be women?

Recommended textbooks for you

A First Course in Probability (10th Edition)

Probability

ISBN:

9780134753119

Author:

Sheldon Ross

Publisher:

PEARSON

A First Course in Probability

Probability

ISBN:

9780321794772

Author:

Sheldon Ross

Publisher:

PEARSON

A First Course in Probability (10th Edition)

Probability

ISBN:

9780134753119

Author:

Sheldon Ross

Publisher:

PEARSON

A First Course in Probability

Probability

ISBN:

9780321794772

Author:

Sheldon Ross

Publisher:

PEARSON

SEE MORE TEXTBOOKS

The probabilities are 0.40, 0.20, 0.30 and 0.10 respectively, that a delegate to a certain seminar arrived by air, bus, automobile or train. What is the probability that among 9 delegates randomly selected at this seminar, 3 arrived by air, 3 by bus, 1 by automobile and 2 arrived by train.