A bag contains 9 discs of which 4 are red, 3 are blue and 2 are yellow.
The discs are similar in shape and size. A disc is drawn at random from the bag.
Calculate the probability that it will be (i) red, (ii) yellow, (iii) blue, (iv) not blue,
(v) either red or blue.

Question

A bag contains 9 discs of which 4 are red, 3 are blue and 2 are yellow.
The discs are similar in shape and size. A disc is drawn at random from the bag.
Calculate the probability that it will be (i) red, (ii) yellow, (iii) blue, (iv) not blue,
(v) either red or blue.

anonymous · Answer

Come on, dude. How many red discs are there? How many total? The probability here is just the proportion.

anonymous · Answer

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