For initial screening of an admission test, a candidate is given fifty problems to solve. If the probability that the candidate can solve any problem is then the probability that he is unable to solve less than two problem is :
Probability of Sonning a the problems out of 50 problems =
(not sonning ) =
The probability that he is unable to solve less than two problems is :
(zero correct ) + (one correct)
{using Binominal Probability)
Option 1)
Option 2)
Option 3)
Option 4)
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