Recent questions tagged probability-mcq-with-answers

0 votes

Q: A man speaks truth 3 out of 4 times. He throws a die and reports that it is a six. Find the probability that it is actually a six

A man speaks truth 3 out of 4 times. He throws a die and reports that it is a six. Find the probability that it is actually a six. Select the correct answer from above options...

asked Nov 19, 2021 in Education by JackTerrance

0 votes

Q: A person goes to office either by car, scooter, bus or train, the probabilities of which being

A person goes to office either by car, scooter, bus or train, the probabilities of which being \(\frac{1}{7} ... he travelled by a car. Select the correct answer from above options...

asked Nov 19, 2021 in Education by JackTerrance

0 votes

Q: Box A contains 2 black and 3 red balls, while box B contains 3 black and 4 red balls.

Box A contains 2 black and 3 red balls, while box B contains 3 black and 4 red balls. Out of these two boxes ... has come from box B. Select the correct answer from above options...

asked Nov 19, 2021 in Education by JackTerrance

0 votes

Q: A and B are two independent witnesses (i.e., there is no collision between them) in a case. The probability

A and B are two independent witnesses (i.e., there is no collision between them) in a case. The probability ... the statement is true? Select the correct answer from above options...

asked Nov 19, 2021 in Education by JackTerrance

0 votes

Q: If A and B are events such that P(A ∪ B) = 0.5, P B( ) = 0.8 and P(A/B) = 0.4, then what is P(A ∩ B) equal to ?

If A and B are events such that P(A ∪ B) = 0.5, P B( ) = 0.8 and P(A/B) = 0.4, then what is P(A ∩ B) ... (b) 0.02 (c) 0.2 (d) 0.8 Select the correct answer from above options...

asked Nov 19, 2021 in Education by JackTerrance

0 votes

Q: If P(S) = 0.3, P(T ) = 0.4 and S and T are independent events, then P(S/T) is equal to

If P(S) = 0.3, P(T ) = 0.4 and S and T are independent events, then P(S/T) is equal to (a) 0.12 (b) 0.2 (c) 0.3 (d) 0.4 Select the correct answer from above options...

asked Nov 19, 2021 in Education by JackTerrance

0 votes

Q: It is given that the events A and B are such that P(A) = 1/ 4 , P(A/B) = 1/ 2 and P(B/A) = 2 /3 . Then P(B) is

It is given that the events A and B are such that P(A) = \(\frac{1}{4}\) , P(A/B) = \(\frac{1}{2}\) and P ... {6}\) (d) \(\frac{1}{3}\) Select the correct answer from above options...

asked Nov 19, 2021 in Education by JackTerrance

0 votes

Q: Let X and Y be two events such that P(X/Y) = 1/2 P(Y/X) = 1/3 and P(X∩Y) = 1/6 Which of the following is/are correct?

Let X and Y be two events such that P(X/Y) = \(\frac{1}{2}\) , P(Y/X) =\(\frac{1}{3}\) and P(X∩Y) =\( ... (d) P(XC∩Y) = \(\frac{1}{3}\) Select the correct answer from above options...

asked Nov 19, 2021 in Education by JackTerrance

0 votes

Q: Given, P(A) = 0.5, P(B) = 0.4, P(A∩B) = 0.3,

Given, P(A) = 0.5, P(B) = 0.4, P(A∩B) = 0.3,then \(P\big(\frac{A'}{B'}\big)\) is equal to (a) \(\frac{ ... {2}{3}\) (d) \(\frac{3}{4}\) Select the correct answer from above options...

asked Nov 19, 2021 in Education by JackTerrance

0 votes

Q: A die is rolled. If the outcome is an odd number, what is the probability that it is a prime number ?

A die is rolled. If the outcome is an odd number, what is the probability that it is a prime number? (a) \(\frac{3 ... \(\frac{5}{6}\) Select the correct answer from above options...

asked Nov 19, 2021 in Education by JackTerrance