math

This exercise is about conditional probability.

A jar contains five red balls numbered 1 to 5, and six green balls numbered 1 to 6. A ball is drawn at random from the jar. Find the following conditional probabilities. (Enter your probabilities as fractions.)
(a) The ball is red, given that it is numbered 2.


(b) The ball is green, given that it is numbered 6.


(c) The ball is red, given that it has an even number.


(d) The ball has an even number, given that it is red

  1. 👍
  2. 👎
  3. 👁
  1. 2
    h

    1. 👍
    2. 👎
  2. 1/12

    1. 👍
    2. 👎

Respond to this Question

First Name

Your Response

Similar Questions

  1. Math (Probability)

    Each of two urns contains green balls and red balls. Urn I contains 8 green balls and 12 red balls. Urn II contains 5 green balls and 8 red balls. If a ball is drawn from each urn, what is P(red and red)? A. 79/65 B. 24/65 C.

  2. Pre Algebra Probability

    Each of two urns contains green balls and red balls. urn 1 contains 10 green balls and 14 red balls. urn 2 contains 4 green balls and 11 red balls. if a ball is drawn from each urn what is p(red and red)? BTW- i really don't know

  3. Jar Marbles

    A jar contains 5 red marbles, numbered 1 to 5, and 12 blue marbles numbered 1 to 12. a) A marble is chosen at random. If you're told the marble is red, what is the probability that it has the number 3 on it? b) The first marble is

  4. Probability again

    A box contains 6 red balls, 4 blue balls, and 2 green balls. Three balls are randomly drawn (without replacement) from the box. What is the probability that the three balls selected are all the same color?

  1. Math

    I am stuck on several probability questions. A spinner that has 15 equal sized sections numbered 1 to 15 is spun twice. What is the probability the spinner lands on an odd number and then on an even number? A. 56/225 B. 169/225 C.

  2. Math

    A bag contains three black balls, four white balls and five red balls. Three balls are removed without replacement. What is the probability of obtaining a one of each colour b at least two red balls ?

  3. probability

    there are 4 white balls and 6 red balls in a sack. If two balls are taken out successively ( the first ball is not replaced ) what is the probability that the balls are drawn are of different colors?

  4. Math

    a lottery game has balls numbered 1 through 19. What is the probability of selecting an even numbered ball or a 4? Its hard one please anyone know how solve?

  1. pshs

    three balls are drawn successively from a box containing 6 red balls,4white balls and 5 blue balls. find the probability that tare hey drawn in the order red,white and blue if each ball is replaced?

  2. mathematics

    A bag contains 3 black balls,four white balls and 5 red balls.Three balls are removed without replacement,what is the probability of obtaining one of each balls

  3. Math

    Assume that you are drawing two balls without replacement from an urn that contains 13 green balls, 10 blue balls, and 1 red ball. What is the probability that you will draw a blue balls and a red ball?

  4. math

    A jar contains 3 pink balls, 6 blue balls, and 3 red balls. Event A = drawing a red ball on the first draw Event B = drawing a pink ball on the second draw If two balls are drawn from the jar, one after the other without

You can view more similar questions or ask a new question.