If there are 10 coins in my pocket, 9 are ordinary and one is biased with 2 heads.If one of them is drawn at random, What is the probability that it is the coin with two heads?

Given : Total coins = 10 Ordinary = 9 Biased = 1 Here, biased means a coin with two heads.

Answered: If there are 10 coins in my pocket, 9…

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 bad contains 46 U.S. quarters and 4 Canadian quarters. (The coins are identical in size.) If 4 quarters are randomly picked from the bag, what is the probability of getting at least one Canadian quarter? (Round your answer to kne decimal place.)
There are three coins in a box. One is a two-headed coin, another is a fair coin, and the third is a biased coin that comes up tails 25 percent of the time. When one of the three coins is selected at random and flipped, it shows heads. What is the probability that it was the two-headed coin?
Bag 1 contains 8 gray rocks and 5 black rocks, and Bag 2 contains 9 gray rocks and 4 black rocks. Suppose we flip a fair coin. If the result is heads, we randomly select a rock from Bag 1; if the result is tails, we randomly select a rock from Bag 2. Suppose that a gray rock was selected. What is the probability that the rock came from Bag 1?
If I have 7 nickels, 3 dimes and 5 quarters, but all of my change has fallen out of my wallet into my purse, what is the probability that I reach in and randomly grab two quarters?
If we flip a coin four times, what is the probability that we flip two heads in a row? What if we flip a coin five times instead of four?
Suppose repetitions are not allowed. Randomly pick up a three-digit number that is formed from the five digits: 1,2,3,4,5. What is the probability that this number exceeds 300?
Consider a group of 8 people. Among them, there is one pair of twins. These 8 people are taken into two different rooms, Room A and Room B, with four people to each room. If all groups of four people are equally likely, find the probability that the twins will be sent into the sameroom.
If a single die is rolled four times, what is the probability it lands on 4 on the first, second, and third rolls, but not on any of the other rolls.
There are three coins in a box. One is a two-headed coin, another is a fair coin, and the third is a biased coin that comes up heads 75 percent of the time. When one of the three coins is selected at random and flipped, it shows heads. What is the probability that it was the two-headed coin?

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

If there are 10 coins in my pocket, 9 are ordinary and one is biased with 2 heads. If one of them is drawn at random, What is the probability that it is the coin with two heads?