Test: Probability And Expected Value By Mathematical Expectation- 5 - CA Foundation MCQ
30 Questions MCQ Test - Test: Probability And Expected Value By Mathematical Expectation- 5
When X is a continues function f(x)is called
Which of the following set of function define a probability space on S = a1, a2, a3
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If P (a1)= 0, P(a2)= 1/3, P (a3) = 2/3 then S = a1, a2, a3 is a probability space
If two events are independent then
When expected value is negative the result is
The expected value of X, the sum of the scores, when two dice are rolled is
Let A and B be the events with P(A)= 1/3, P(B) = ¼ and P(AB)= 1/12 then P(A/B) is equal to
Let A and B be the events with P(A)= 2/3, P(B)= ¼ and P(AB)= 1/12 then P(B/A) is equal to
The odds in favour of one student passing a test are 3:7.The odds against another student passing at are 3:5.The probability that both pass is
The odds in favour of one student passing a test are 3:7.The odds against another student passing at are 3:5. The probability that both fail is
In formula P(B/A), P(A) is
Two events A and B are mutually exclusive means they are
A bag contains 10 white and 10 black balls A ball is drawn from it. The probability that it will be white is
Two dice are thrown at a time. The probability that the nos shown are equal is
Two dice are thrown at a time. The probability that ‘the difference of nos shown is 1’ is
Two dice are thrown together. The probability that ‘the event the difference of nos shown is 2’ is
The probability space in tossing two coins is
The probability of drawing a white ball from a bag containing 3 white and 8 balls is
Two dice are thrown together. The probability of the event that the sum of nos. shown is greater than 5 is
A traffic census show that out of 1000 vehicles passing a junction point on a highway 600 turned to the right. The probability of an automobile turning the right is
Three coins are tossed together. The probability of getting three tails is
Three coins are tossed together.The probability of getting exactly two heads is
Three coins are tossed together. The probability of getting at least two heads is
if 4 coins are tossed. The probability that there are 2 heads is
If 4 coins are tossed. The chance that there should be two tails is
If A is an event and AC its complementary event then
If P(A)= 3/8, P(B)= 1/3 and P(AB)= ¼ then P(AC) is equal to
If P(A)= 3/8, P(B)= 1/3 then P(AUB) is equal to
If P(A)= 3/8, P(B)= 1/3 and P(AB)= ¼ then P(A + B)is
If P(A)= 1/5, P(B)= 1/2 and A and B are mutually exclusive then P(AB) is
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