GCSE Maths Practice: probability-scale

Question 10 of 10

Practice probability of drawing a green ball followed by a red ball from a bag without replacement.

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\( \begin{array}{l}\textbf{What is the probability of selecting a green ball} \\ \text{followed by a red ball from a bag containing 3 green balls and 5 red balls,} \\ \text{without replacement?}\end{array} \)

Choose one option:

\( \frac{3}{8} \times \frac{5}{7} \) \( \frac{3}{8} \times \frac{4}{7} \) \( \frac{5}{8} \times \frac{4}{7} \)

Multiply probabilities sequentially considering remaining balls.

Sequential draws without replacement: multiply probabilities adjusting for remaining balls.