HEREDITY
BASICS OF PROBABILITY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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1/2
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1/3
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1/6
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1/8
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Detailed explanation-1: -The probability of getting the correct answer is 1/2 on any given question.
Detailed explanation-2: -The probability that a student knows the correct answer to a multiple choice question is 2/3. If the student does not know the answer, then the student guesses the answer.
Detailed explanation-3: -What is the probability of making 3 correct guesses in 5 True – False answer type questions? 0.3125.
Detailed explanation-4: -There’s a 50-50 chance of getting a true or false question correctly on guessing. In other words, the probability of getting it correct is 0.5.
Detailed explanation-5: -For every question, there are two outcomes: Either you answer correctly or you don’t. If you pick a random answer, the probability of guessing the right answer is one out of four, 1/4, or 0.25. Consequently, the probability of guessing wrong is a lot higher at 3/4 or 0.75.