The portal has been deactivated. Please contact your portal admin.

Practice: Conditional Probability: Tree Diagrams

A bag contains 3 blue balls and 7 red balls. David selects 2 balls without replacement and draws the following tree diagram.

Given that the first ball is red, find the value of 𝑥 that represents the probability that the second ball selected is red.

  • A79
  • B13
  • C35
  • D710
  • E23
02:08

Correct Answer

Incorrect Answer

Action required

Nagwa uses cookies to ensure you get the best experience on our website. Learn more about our Privacy Policy.