part-4 Guess the answer | Majedar paheliyan - puzzle, riddles, Paheli #shorts #bitbatpuzzle

In answering a question on a multiple choice test a student either knows the answer or guesses. Let the probability that he knows the answer is 3/4 and probability that he guesses is 1/4 . Assuming that a student who guesses the answer and given correct answer is 1/4 . What is the probability that student knows the answer given that he answered it correctly?

In answering a question on a multiple choice test, a student either knows the answer or guesses. Let 3/4 be the probability that he knows the answer and 1/4 be the probability that he guesses. Assuming that a student who guesses at the answer with probability 1/4. what is the probability that the student knows the answer given that he answers correctly.?

Read the sentence to find out whether there is any error in it or not. The error, if any, will be in one part of the sentence. The number of that part is the answer. If there is no error, the answer is (5). Ignore errors of punctuation, if any. Had Rekha not / (1) discouraged me I may / (2) have sung a song or / (3) two at your wedding. / (4)

The probability of guessing the correct answer to a certain test questions is (x)/(12) If the probability of not guessing the correct answer to this question is (2)/(3) then x=(a)2(b)3(c)4 (d) 6