(a)Bag A contains 4 red balls and 5 white balls while bag B contains 6 red balls and 4 white ones. (i)A bag is picked at...

      

(a)Bag A contains 4 red balls and 5 white balls while bag B contains 6 red balls and 4 white ones.
(i)A bag is picked at random and a ball is picked, find the probability that the ball is
white.
(ii)A ball is removed from A and placed in bag B. Two balls are then picked from B at random one at a time without replacement; find the probability that the two balls are of the same colour.
(b)Three boys and three girls sit in a row of six seats. Find the probability that:-
(i)Three girls sit together.
(ii)The girls and boys sit in alternative seats.

  

Answers

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Kavungya answered the question on September 16, 2019 at 12:23

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