An experiment succeeds twice as often as it fails. The probability that in the next six trials there will be at least four successes, is:
Correct Option is B. Practice regular variations of this Probability concept to build speed and accuracy.
Reinforce your conceptual grasp with related questions from NIMCET 2013:
Person A can hit a target 4 times in 5 attempts. Person B - 3 times in...
A random variable X has the distribution law as given below:
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