40 Jennie's teacher told her to select two problems from a list of twoC-level problems, five B-level problems, and one A-level problem.If she selected at random, what is the probability that she se-lected two B-level problems?

There are 2 (C-level) , 5 (B-level) , 1 (A-level) problemsThe total number of problems is 2+5+1=8

Answered: 40 Jennie's teacher told her to select…

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

Dash and Lily Corporation wanted to raise funds for the poor. The first prize for a raffle is S500,000 (with a probability of 0.001) and the second prize is S250,000 (with a probability of0.003). What is a fair price to pay for a single ticket in this raffle?
Delaney is about to take a final exam that consists of 20 questions. To motivate her to study, her parents promised her $500 if she gets at least 17 questions right. The questions are multiple choice and the probability of her getting a question right is 0.75 on each question of the final exam. What is the probability that she gets exactly 17 questions right? What is the probability that she gets at least 17 questions right?
Samir has a big bag of wooden blocks in assorted shapes. He randomly picks a block from the bag, records its shape, and puts it back in the bag. He does this 15 times and records 6 squares, 3 trapezoids, 4 kites, and 2 rectangles.Based on the data, what is the probability of choosing a square block?
Three people are selected for a committee from 5 Democrats and 3 Republicans. What is the probability the committee contains both Democrats and Republicans given that it contains at least two Democrats?
Frank noticed that his mother will serve salad with dinner 78% of the nights, will serve potatoes with dinner 30% of the nights and will serve both 14% of the nights. The probability, to the nearest hundredth, that Frank's mother will serve salad or potatoes is
If Luis has 8 pairs of socks (4 white, two black, one blue, and one red), what is the probability that he randomly chooses two pairs of white socks to wear on consecutive days?
You took a multiple-choice math test where there were 10 questions and each question had 4 answers to chose from (but only one of them was correct). What is the probability that you get exactly 9 correct? Be sure to identify your variables.
What is the probability of getting a sum of 6, one dice and two throws
In a lottery, the top cash prize was $646 million, going to three lucky winners. Players pick four different numbers from 1 to 57 and one number from 1 to 47. A player wins a minimum award of $200 by correctly matching two numbers drawn from the white balls (1 through 57) and matching the number on the gold ball (1 through 47) What is the probability of winning the minimum award?
In a drawer, there are 11 pairs of socks, 6 of which are white. If you randomly select two pairs of socks, what is the probability that both are white? Express your answer as a reduced fraction.
Kim buys a bag of cookies, 7 chocolate chip, 6 peanut, 4 sugar and 5 oatmeal. What is the probability that kim randomly selects a sugar cookie from a bag, eats it and then randomly selected an oatmeal cookie?
Pablo randomly picks five marbles from a bag of eleven marbles (six red ones, three green ones, and two yellow ones). How many outcomes are there in the event that all of the marbles he picks are red?

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

40 Jennie's teacher told her to select two problems from a list of two C-level problems, five B-level problems, and one A-level problem. If she selected at random, what is the probability that she se- lected two B-level problems?