Q. 195.0( 2 Votes )

A problem in math

Answer :

Given Data:


• Probability that A solves the problem



• Probability that B solves the problem



• Probability that C solves the problem



• Probability that D solves the problem



Calculation:


Say P(E) is probability that problem is solved


Probability that problem is not solved by anyone of A, B, C and D




Therefore




Probability that problem is solved is


At most one of them solves the problem means that we have to consider two cases


• when no one solves the problem


• when either one of them solves the problem


Therefore desired probability






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