Question

a bag contains 7 staplers and 11 orange staplers.(a)if a stapler is drawn at rand random from the bag,find the probability that the stapler is (i)green (ii) either white or orange(b)12 red staplers are added to the bag. a stapler is then drawn at random from the bag. find the probability that the stapler is (i)red, (ii)not orange. 1

Answer 1

Answer:

1. The probability that the stapler would be green is 0 because there are no green staplers.

2. 7/18(probability for white), 11/18(probability for orange)

3. 12/30= 2/15 probability that the stapler would be red.

4. 19/30 probability that stapler is not orange.

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Answer 2

Answer:

1)  0/18 (green staplers)

2)  white=7/18 Orange=11/18

(b)i)  12/30=2/5 (red staplers)

(b)ii)  19/30 (not Orange)

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