Of a group of pupils studying at A-level in schools in a certain area, 56% are boys

Question:

Of a group of pupils studying at A-level in schools in a certain area, 56% are boys and 44% are girls. The probability that a boy of this group studying Chemistry is and the probability that a girl of this group is studying Chemistry 11. is is

(a) Find the probability that a pupil selected at random from this group is a girl studying Chemistry.

(b) Find the probability that a pupil selected at random from this group is not studying Chemistry.

(c) Find the probability that a Chemistry pupil selected at random from this group is male. (You may leave your answers as fractions in their lowest terms.) (O&C)

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