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Sweets before and after removals

Sweets before and after removals

Secondary 2
4 marks
TGM Original Questions

A bag contains 30 sweets: 12 mint, 10 orange and 8 grape.

  1. A sweet is selected at random. Find the probability it is
    1. grape,[1]
    2. orange or grape.[1]
  2. The selected sweet is replaced. Four orange sweets are then removed. Find the probability that the next sweet is
    1. mint,[1]
    2. not orange.[1]

Solution:

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Answer:(a)(i) \(\frac{4}{15}\) (ii) \(\frac{3}{5}\) (b)(i) \(\frac{6}{13}\) (ii) \(\frac{10}{13}\).

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