GCSE Maths Practice: conditional-probability

Question 9 of 10

This question shows conditional probability with removal of the first draw.

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\( \begin{array}{l}\text{A jar contains 5 red, 6 green, and 4 blue balls.} \\ \text{A ball is drawn at random and not replaced.} \\ \text{What is the probability of drawing a green ball on the second draw, given the first draw was red?}\end{array} \)

Choose one option:

\( \frac{6}{14} \) \( \frac{5}{14} \) \( \frac{6}{15} \)

Always adjust the total and count remaining items satisfying the condition.

Subtract the first drawn item and recalc probability for the second draw.