EASY

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Let $A$ and $B$ are two mutually exclusive events with $P (A) = \frac{1}{3}$ and $P (B) = \frac{1}{4} .$ What is the value $P (\bar{A} \cap \bar{B}) ?$

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Important Questions on Probability

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Mathematics>Algebra>Probability>Events

What will be the addition of the probability of incident "

E

" and incident "

E

not".

HARD

Mathematics>Algebra>Probability>Events

\frac{1 + 3 P}{3}, \frac{1 - P}{4}

and

\frac{1 - 2 P}{2}

are the probabilities of three mutually exclusive events, then the set containing all the possible values of

P

MEDIUM

Mathematics>Algebra>Probability>Events

Let

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P (A) = \frac{1}{2} and P (B) = \frac{1}{3}

. Write the value of

P (A \cap B)

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If a point

A (x, y)

lies in the region bounded by the

y

-axis, straight lines

2 y + x = 6

and

5 x - 6 y = 30

, then the probability that

y < 1

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Mathematics>Algebra>Probability>Events

In a college, $\frac{1}{5} t h$ of the girls and $\frac{1}{8} th$ of the boys took part in a social camp. The total number of students in the college took part in the camp is:

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What is the probability of a sure event?

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The letters of the word

M A L A Y A L A M

are written in paper slips and put into a box. A child is asked to take one slip from the box without looking. What is the probability of not getting

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Mathematics>Algebra>Probability>Events

A class consists of

80

students,

25

of them are girls and

55

are boys. If

10

of them are rich and rest poor and also

20

are intelligent, probability of choosing poor not intelligent boy is

HARD

Mathematics>Algebra>Probability>Events

Four dice are thrown simultaneously and the numbers shown on these dice are recorded in

2 \times 2

matrices. The probability that such formed matrices have all different entries and are non-singular, is:

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Mathematics>Algebra>Probability>Events

Two persons

A

and

B

throw a die alternatively till one of them gets a three and wins the game. Find their respective probabilities of winning.

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Fifteen football players of a club-team are given

15

T-shirts with their names written on the backside. If the players pick up the T-shirts randomly, then the probability that at least

13

players pick the correct T-shirt is

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Mathematics>Algebra>Probability>Events

A person throws two fair dice. He wins Rs.

15

for throwing a doublet (same numbers on the two dice), wins Rs

12

when the throw results in the sum of

9

, and loses Rs.

6

for any other outcome on the throw. Then the expected gain/loss (in Rs.) of the person is:

EASY

Mathematics>Algebra>Probability>Events

A

and

B

are mutually exclusive events such that

p (A) = 0.5

and

p (A \cup B) = 0.75

, then

P (B)

is equal to

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What will be the addition of the probability of incident "

E

" and incident "

E

not".

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Mathematics>Algebra>Probability>Events

Two dice are rolled. If each die has six faces which are numbered

2, 3, 5, 7, 11, 13

then the probability that sum of the numbers on the top faces being a prime number is

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Mathematics>Algebra>Probability>Events

If an event cannot occur, then its probability is :

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Mathematics>Algebra>Probability>Events

For a question paper of solving, the probability of scoring

101

marks is _____

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Mathematics>Algebra>Probability>Events

A, B, C

are three mutually exclusive and exhaustive events of an experiment such that

P (A) = 2 P (B) = 3 P (C)

, then

P (B)

is equal to

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Six persons $A, B, C, X, Y & Z$ go for an interview. What is the probability of selection of $A$ and $Y$ in the interview?

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A determinant of second order is made with the elements 0, 1. What is the probability that the determinant is positive?

Let A and B are two mutually exclusive events with P( A )= 1 3 and P( B )= 1 4 . What is the value P( A ¯ ∩ B ¯ )?

Important Questions on Probability

Learn and Prepare for any exam you want !

Let $A$ and $B$ are two mutually exclusive events with $P (A) = \frac{1}{3}$ and $P (B) = \frac{1}{4} .$ What is the value $P (\bar{A} \cap \bar{B}) ?$