Recent questions in Probability

Match the following :

asked Jul 9, 2014 by sreemathi.v

1 answer

Match the proposed probability under Column $C_1$ with the appropriate written description under column $C_2$ :

asked Jul 9, 2014 by sreemathi.v

1 answer

The probability of happening of an event A is 0.5 and that of B is 0.3. If A and B are mutually exclusive events, then the probability of neither A nor B is ________.

asked Jul 9, 2014 by sreemathi.v

1 answer

If A and B are two events associated with a random experiment such that $P(A)=0.3,P(B)=0.2$ and $P(A \cap B)=0.1$ then the value of $P(A \cap \bar{B})$ is _________

asked Jul 9, 2014 by sreemathi.v

1 answer

Let S={1,2,3,4,5,6} and E={1,3,5},then $\bar{E}$ is_________.

asked Jul 9, 2014 by sreemathi.v

1 answer

If $e_1,e_2,e_3,e_4$ are the four elementary outcomes in a sample space and $P(e_1) = .1, P(e_2) = .5, P (e_3) = .1$, then the probability of $e_4$ is ______.

asked Jul 9, 2014 by sreemathi.v

1 answer

The probability that the home team will win an upcoming football game is 0.77, the probability that it will tie the game is 0.08, and the probability that it will lose the game is _____________

asked Jul 9, 2014 by sreemathi.v

1 answer

True-or-False : The sum of probabilities of two students getting distinction in their final examinations is 1.2

asked Jul 9, 2014 by sreemathi.v

1 answer

True-or-False : The probability of an occurrence of event A is 0.7 and that of the occurrence of event B is 0.3 and the probability of occurrence of both is 0.4.

asked Jul 9, 2014 by sreemathi.v

1 answer

True-or-False : The probability of intersections of two events A and B is always less than or equal to those favorable to the event A.

asked Jul 9, 2014 by sreemathi.v

1 answer

True-or-False : If A and B are two candidates seeking admission in an engineering college.The probability that A is selected is 0.5 and the probability that both A and B are selected is at most 0.3.Is it possible that the probability of B getting selected is 0.7?

asked Jul 9, 2014 by sreemathi.v

1 answer

True-or-False : The probabilities that a typist will make 0,1,2,3,4,5 or more mistakes in typing a report are,respectively,0.12,0.25,0.36,0.14,0.08,0.11

asked Jul 9, 2014 by sreemathi.v

1 answer

True-or-False : The probability that a student will pass his examination is 0.73,the probability of the student getting a compartment is 0.13,and the probability that the student will either pass or get compartment is 0.96.

asked Jul 9, 2014 by sreemathi.v

1 answer

True-or-False : The probability that a person visiting a zoo will see the giraffee is 0.72,the probability that he will see the bears is 0.84 and the probability that he will see both is 0.52.

asked Jul 9, 2014 by sreemathi.v

1 answer

If M and N are any two events,the probability that at least one of them occurs is

asked Jul 9, 2014 by sreemathi.v

1 answer

The probability that at least one of the events A and B occurs is 0.6.If A and B occur simultaneously with probability 0.2.Then $P(\bar{A})+P(\bar{B})$ is

asked Jul 9, 2014 by sreemathi.v

1 answer

If the probabilities for A to fail in an examination is 0.2 and that for B is 0.3.Then the probability that either A or B fails is

asked Jul 9, 2014 by sreemathi.v

1 answer

A single letter is selected at random from the word PROBABILITY .The probability that it is a vowel is

asked Jul 9, 2014 by sreemathi.v

1 answer

6 boys and 6 girls sit in a row at random.The probability that all the girls sit together is

asked Jul 9, 2014 by sreemathi.v

1 answer

If $A\cup B)=P(A \cap B)$ for any two events A and B,then

asked Jul 9, 2014 by sreemathi.v

1 answer

If A and B are mutually exclusive events,then

asked Jul 9, 2014 by sreemathi.v

1 answer

Without repetition of the numbers,four digit numbers are formed with the numbers 0,2,3,5.The probability of such a number divisible by 5 is

asked Jul 9, 2014 by sreemathi.v

1 answer