Q. 195.0( 2 Votes )

# A problem in math

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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