HEREDITY
BASICS OF PROBABILITY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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-0.93
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0.93
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9.3
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1.07
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Detailed explanation-1: -Candidates can avail of a maximum of 03 chances of entry for ACC. The selection process consists of two stages.
Detailed explanation-2: -P(not E) = (# of outcomes in (not E))/(# of outcomes in S) = 53/63=125/216. So, P(E) = 1-P(not E) = 1-125/216 = 91/216.
Detailed explanation-3: -The sum of the probability for an event to occur and the probability for the same event not to occur is equal to 1. Thus, the probability of ‘not E’ is 0.95.
Detailed explanation-4: -So the probability of losing the game is 0.3.
Detailed explanation-5: -The probability of an event cannot be negative in any case, thus −1. 5 cannot be the probability of an event. The probability of happening of an event always lies between 0 to 1, i.e., 0≤P(E)≤1.