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Slips of letters of the word 'BACKGROUND' are put in a bowl and thoroughly mixed. One slip is picked up at random. Find the probability that picked up slip's letter is (i) a vowel (ii) present in the word 'BALL'.
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(b) (i) $\text{P (a vowel)} = \frac{3}{10}$ (1 Mark)
(ii) $\text{P (present in the word 'BALL')} = \frac{2}{10}$ or $\frac{1}{5}$ (1 Mark)
(b) (i) $\text{P (a vowel)} = \frac{3}{10}$ (1 Mark)
(ii) $\text{P (present in the word 'BALL')} = \frac{2}{10}$ or $\frac{1}{5}$ (1 Mark)