93. In a class of 75 students, 15 were considered to by veryintelligent, 45 as medium and the rest below average. The probability that avery intelligent student fails in a viva-voce examination is 0.005; the mediumstudent failing has a probability 0.05; and the corresponding probability for abelow average student is 0.15. If a student is known to have passed the viva-voce examination, what is the probability that he is below average ?

Answered: Image /qna-images/answer/d89c2e6a-7fcf-47a8-976a-dcaf473e8777.jpg

Answered: 93. In a class of 75 students, 15 were…

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

Based on a study from the Chronicles of Flippin" Awesomeness, the probability that Napoleon and Pedro make it to their first period class on time is 0.23. The probability that Napoleon and Pedro catch the bus is 0.47. However, the probability that they make it to their first period class on time, given that they catch the bus is 0.52. What is the probability that Napoleon and Pedro catch the bus and make it to their first period class on time?
If the probability of hitting a goal ball player is 0.4, then if this player wants to hit the goal seven times until he stops, what is the probability that he achieves that from 10 shots?
According to a survey a person receives on the average 4.3 of pieces of junk mail per day. What is the probability that this person will receive exactly four pieces of junk mail over the next two days? What is the probability that this person will receive between 5 and 7 pieces of junk mail over the next two days? What is the probability that this person will receive less than 2 pieces of junk mail over the next two days?
According to a study. 74.9% of college freshmen majoring in business said that "to get training for a specific career" was a very important reason for their going to college. Consider a group of nine freshman business majors selected at random. Find the probability that no more than two of the nine freshmen in the group felt that this reason was very important. The probability that no more than two of the nine felt this reason was important is (Round to four decimal places as needed.)
62% of Armenian students own a personal computer. What is the probability that the proportion of students that do not have personal computer in the sample of 25 students is less than 40%?
The probability that Blue locks soccer team will win a game is 7/11 while the probability of our opponent will win is 4/11?
The probability of the Dow Jones index rising on the first day of trading next week is thought to be 0.6. If it does rise then the probability that the value of shares in a publishing company will rise is 0.8. If the index does not rise then the publishing company’s shares will only have a 0.3 probability of rising. What is the probability that the publishing company’s shares will rise in value on the first day of trading next week?
What is the probability z will be less than -1.88 OR greater than 1.31?
Suppose that 82% of the adult between the ages of 18 and 34 watch reality TV shows. Suppose you take a random sample of 3 persons. What is the probability that none of them watch reality TV shows? What is the probability that at least one watches reality TV shows? What is the probability 2 or more watch reality TV shows? If you were to randomly sample 1000 adults between 18 and 34 years of age in the U.S, how many of them do you expect to watch reality TV shows?
The probability that a randomly selected 40- year old female will live to be 41 - year old is 0.988 according to study. What is the probability that two randomly selected 40-year-old women will live to be 41 years old?
The probability that people of Surigao likes "gangis" is 0.5. Find the probability that the tenth person interviewed randomly in the area is the third person who like gangis.
Please find the attached photo.

SEE MORE QUESTIONS

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