Wednesday, 28 February 2018

PROBABILITY 1


The probability that Azam FC will beat Yanga in the national league is 9/16. Find the probability that it won’t be able to do so.
Solution

Let P(E)=  9/16         P(E’) = ?

P(E)   + P(E’) = 1

9/16 + P(E’) = 1

P(E’) = 1 -  9/16

P(E’) = 16/16 -  9/16


P(E’) =  16-9
               16

P (E’) =  7
              11

Hence answer is 7/11.


TRY THIS………………………



The probability that Mtibwa FC will beat Mbeya City FC in the national league is 13/40. Find the probability that it won’t be able to do so.

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