KCSE MATHEMATICS QUESTIONS AND SOLUTIONS ~ Topically Analyzed
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PROBABILITY  PAPER 1  SECTION B  KCSE 1997  FORM 3 LEVELThe water supply in a town depends entirely on two water pumps, A and B. The probability of pump A filling is 0.1, and the probability of pump B failing is 0.2. Calculate the probability that:
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QUESTION 19  KCSE 2023  pROBABILITY  PAPER 2  FORM 3 LEVEL
QUESTION 12  KCSE 2021  Probability  PAPER 2  FORM 3 LEVELA box contains 3 brown balls and 9 green balls. The balls are identical except for the colours. Two balls are picked at random without replacement.
(a) Draw a tree diagram to show all the possible outcomes. (1 mark) (b) Determine the probability that the balls picked are of different colours. (2 marks) QUESTION 18  KCSE 2022  Probability  PAPER 2  FORM 3 LEVELTwo bags P and Q contain identical marbles except for the colours. Bag P contains 3 green and 4 red marbles. Bag Q contains 2 green and 3 red marbles. (1 mark)
THE TABLE BELOW SHOWS THE NUMBER OF STUDENTS IN EACH CLASS IN A SCHOOL. THE PERCENTAGE (%) OF THE STUDENTS IN EACH CLASS WHO WEAR GLASSES IN ALSO SHOWN.KCSE 2020 MATHEMATICS ALT A PAPER 2 QUESTION 24A bag contains 5 red, 4 white and 3 blue beads. Three beads are selected at random without replacement. Find the probability that
Bag X contains 2 green marbles and 8 yellow marbles. Bag Y contains 4 green marbles and 5 
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