27. The probabilities of a problem being solved23by two students are T – InterviewSolution

1.

27. The probabilities of a problem being solved23by two students are Then the probabilityof the problem being solved is23 (b)43 (d) 1

Answer»

first case if both will solvethen 23/90=25 percentageif one will solve then probability

23/90(1-23/90)+(1-23/90)*23/90+23/9023/90*67/90+0.250.38+0.250.63

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