Question

Box 1 contains 2 red balls and one blue ball. Box 2 contains 3 blue balls...

Box 1 contains 2 red balls and one blue ball. Box 2 contains 3 blue balls and 1 red ball. A coin is tossed. If it falls heads up, box 1 is selected and a ball is drawn. If it falls tails up, box 2 is selected and a ball is drawn. Find the probability of selecting a red ball.

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
a box contains two red balls , one white ball and one blue ball. A sample...
a box contains two red balls , one white ball and one blue ball. A sample of two balls was drawn randomly, respectively (without return), If the variable X express the number of white balls and the variable Y express the number of blue balls in the sample, find : A- Fxy(0,1) B- Coefficient of correlation between the two variables and then commented on it
In a box are 3 red balls and 5 blue balls. From this box are drawn...
In a box are 3 red balls and 5 blue balls. From this box are drawn 4 balls and placed in a second box. Given the ball drawn from the second box is red, what is the probability that 2 red and 2 blue balls were transferred from box 1 to box 2?
Box 1 contains 4 red balls, 5 green balls and 1 yellow ball. Box 2 contains...
Box 1 contains 4 red balls, 5 green balls and 1 yellow ball. Box 2 contains 3 red balls, 5 green balls and 2 yellow balls. Box 3 contains 2 red balls, 5 green balls and 3 yellow balls. Box 4 contains 1 red ball, 5 green balls and 4 yellow balls. Which of the following variables have a binomial distribution? (I) Randomly select three balls from Box 1 with replacement. X = number of red balls selected (II) Randomly...
1. Two cards are drawn from a well-shuffled ordinary deck of 52 cards. Find the probability...
1. Two cards are drawn from a well-shuffled ordinary deck of 52 cards. Find the probability that they are both aces if the first card is (a) replaced, (b) not replaced. 2. Find the probability of a 4 turning up at least once in two tosses of a fair die. 3. One bag contains 4 white balls and 2 black balls; another contains 3 white balls and 5 black balls. If one ball is drawn from each bag, find the...
Urn 1 contains 7 red balls and 3 black balls. Urn 2 contains 1 red ball...
Urn 1 contains 7 red balls and 3 black balls. Urn 2 contains 1 red ball and 3 black balls. Urn 3 contains 3 red balls and 1 black ball. If an urn is selected at random and a ball is drawn, find the probability that it will be red. Enter your answer as a fraction in simplest form or a decimal rounded to 3 decimal places.
Urn 1 contains 4 red balls and 3 black balls. Urn 2 contains 1 red ball...
Urn 1 contains 4 red balls and 3 black balls. Urn 2 contains 1 red ball and 3 black balls. Urn 3 contains 4 red balls and 2 black balls. If an urn is selected at random and a ball is drawn, find the probability that it will be red. Enter your answer as a fraction in simplest form or a decimal rounded to 3 decimal places. P(red)=
A bag contains blue and red balls. Two balls are drawn randomly without replacement. The probability...
A bag contains blue and red balls. Two balls are drawn randomly without replacement. The probability of selecting a blue and then a red ball is 0.2. The probability of selecting a blue ball in the first draw is 0.5. What is the probability of drawing a red ball, given that the first ball drawn was blue?
Exercise 2 A box contains 3 white balls, 4 red balls and 5 black balls. A...
Exercise 2 A box contains 3 white balls, 4 red balls and 5 black balls. A ball is picked, its color recorded and returned to the box(with replacement). Another ball is then selected and its color recorded. 1. Find the probability that 2 black balls are selected. 2. Find the probability that 2 balls of the same color are selected. Now 4 balls are picked with replacement 3.Find the probability no red balls are selected. 4.Find the probability that the...
Box I contains 7 red and 3 black balls; Box II contains 4 red and 5...
Box I contains 7 red and 3 black balls; Box II contains 4 red and 5 black balls. After a randomly selected ball is transferred from Box I to Box II, 2 balls are drawn from Box II without replacement. Given that the two balls are red, what is the probability a black ball was transferred?
Urn 1 contains 7 red balls and 3 black balls. Urn 2 contains 4 red balls...
Urn 1 contains 7 red balls and 3 black balls. Urn 2 contains 4 red balls and 1 black ball. Urn 3 contains 4 red balls and 3 black balls. If an urn is selected at random and a ball is drawn, find the probability that it will be red. enter your answer as a decimal rounded to 3 decimal places