number of candidates who answer ten questions is equal to the number of candidates who answer nine questions only. Find the probability that a candidate chosen at random from among these two sets of candidates will have selected questions 1, 2 and 3 if all the questions have the same chance of being selected. (the question had been answered in the same website but I couldn't understand the solving way..please help)
number of candidates who answer ten questions is equal to the number of candidates who answer nine questions only. Find the probability that a candidate chosen at random from among these two sets of candidates will have selected questions 1, 2 and 3 if all the questions have the same chance of being selected. (the question had been answered in the same website but I couldn't understand the solving way..please help)
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 6ECP: In Pennsylvania’s Cash 5 game, a player chooses five different numbers from 1 to 43. If these five...
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Question
A Mathematics paper consists of 12 questions of which not more than ten are to be
answered. Given that the number of candidates who answer ten questions is equal to
the number of candidates who answer nine questions only. Find the probability that a
candidate chosen at random from among these two sets of candidates will have
selected questions 1, 2 and 3 if all the questions have the same chance of being
selected.
(the question had been answered in the same website but I couldn't understand the solving way..please help)
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