Two different digits are selected at random from the digits 1 through 5.(a) If the sum is odd, what is the probability that 2 is one of the numbers selected?(b) If 2 is one of the digits, what is the probability that the sum is odd?

Suppose two different digits are selected at random from the digits through .Its sample space is…

Answered: Two different digits are selected at…

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 casino game involves picking two stones at random from a bag. The bag contains eight stones: three are painted green, and five are painted blue. If both of the stones picked by the player are green, the player wins; otherwise, they lose. Enter your answers below as decimals, rounded to 3 decimal places if necessary. If the stones are chosen without replacement, what is the probability of winning? If the stones are chosen with replacement, what is the probability of winning?
Suppose that you have randomly picked up TWO students. In a class, there are 1 freshman, 7 sophomore, and 5 junior students. There are 8 female students and 5 male students. There is no male freshman. There are four female sophomores. What is the probability that at least one of them is male?
A director needs 5 students to fill roles in her performance. 8 students, including Justin and Emma, are available to participate. Assuming the roles are filled at random from the available students, find the probability that both Justin and Emma are placed in roles given that at least one of them has a role in the performance. Choose from the following answers: 6/25 3/25 None are correct 4/5 3/250 2/5
If 1 day of the week is chosen at random to be Mary's day to mow the lawn, what is the probability that Mary will mow the lawn, on a day that begins with "T"?
Airline A is on time 80% of the time, Airline B is on time 85% of the time, and Airline C is on time 90% of the time. Airline A has twice as many flights as Airline B, and Airline B has three times as many flights as Airline C. One flight is selected at random from one of these airlines. (a) What is the probability this flight on time? (b) Given that the flight is on time, what is the probability it is from Airline A?
Suppose that your friend Kamala randomly chooses a number between 1 and 13 (including both 1 and 13) and asks you to guess what it is. Answer the following questions: 1. What is the probability she is thinking of an even number? 2. What is the probability the number she is thinking of has a 1 in it? 3. What is the probability that the number she is thinking of is at least 5?
Suppose there are 10 coins in a jar: three are silver and seven are gold. What is the probability that when you randomly select 4 different coins, they are all gold? Round your answer to four decimal places.
A box (Call it Box A) contains four red marbles and three blue marbles. Box B (another box) contains three red and three blue marbles. Find the probability that, when a marble is drawn from each box (a) Both are red (b) One is red and the other is blue
An hat contains 169 slips of paper. 27 of these are Blue; the rest are Pink. Two slips are selected at random from the hat. If the selection is made with replacement (the first slip is put back into the hat before drawing the second slip), the probability that both slips are Blue is

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

Two different digits are selected at random from the digits 1 through 5. (a) If the sum is odd, what is the probability that 2 is one of the numbers selected? (b) If 2 is one of the digits, what is the probability that the sum is odd?