Recent questions tagged probability

A and B are events such that $P(A)=0.42,P(B)=0.48,$P(A and B)=0.16.Determine P(A or B)

asked Jul 1, 2014 by sreemathi.v

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A and B are events such that $P(A)=0.42,P(B)=0.48,$P(A and B)=0.16.Determine P(not B)

asked Jul 1, 2014 by sreemathi.v

1 answer

A and B are events such that $P(A)=0.42,P(B)=0.48,$P(A and B)=0.16.Determine P(not A)

asked Jul 1, 2014 by sreemathi.v

1 answer

Events E and F are such that P(not E or not F)=0.25.state whether E and F are mutually exclusive.

asked Jul 1, 2014 by sreemathi.v

1 answer

If E and F are events .Such that $P(E)=\large\frac{1}{4}$$,P(F)=\large\frac{1}{2}$ and P(E and F)=$\large\frac{1}{8}$.Find P(not E and not F)

asked Jul 1, 2014 by sreemathi.v

1 answer

If E and F are events .Such that $P(E)=\large\frac{1}{4}$$,P(F)=\large\frac{1}{2}$ and P(E and F)=$\large\frac{1}{8}$.Find P( E or F)

asked Jul 1, 2014 by sreemathi.v

1 answer

Given $P(A)=\large\frac{3}{5}$ and $P(B)=\large\frac{1}{5}$.Find P(A or B),if $A$ and $B$ are mutually exclusive events .

asked Jul 1, 2014 by sreemathi.v

1 answer

Fill in the blanks : $P(A)=0.5,P(B)=0.35,P(A\cup B)=0.7,P(A\cap B)=$_________

asked Jul 1, 2014 by sreemathi.v

1 answer

Fill in the blanks : $P(A)=0.35,P(A\cap B)=0.25,P(A\cup B)=0.6,P(B)$=__________

asked Jul 1, 2014 by sreemathi.v

1 answer

Fill in the blanks :$P(A)=\large\frac{1}{3}$$,P(B)=\large\frac{1}{5}$$,P(A\cap B)=\large\frac{1}{15}$$,P(A\cup B)$=____________

asked Jul 1, 2014 by sreemathi.v

1 answer

Check whether the following probabilities P(A) and P(B) are consistently defined .$P(A)=0.5,P(B)=0.4,P(A \cup B)=0.8$

asked Jul 1, 2014 by sreemathi.v

1 answer

Check whether the following probabilities P(A) and P(B) are consistently defined .$P(A)=0.5,P(B)=0.7,P(A \cap B)=0.6$

asked Jul 1, 2014 by sreemathi.v

1 answer

In a lottery ,a person choose six,different natural numbers at random from 1 to 20 and if these six numbers match with the six numbers already fixed by lottery committee,he wins the prize.What is the probability of winning the prize in the game ?[Hint : Order of the numbers is not important]

asked Jul 1, 2014 by sreemathi.v

1 answer

A letter is selected at random from the word "ASSASSINATION".Find the probability that letter is a consonant

asked Jul 1, 2014 by sreemathi.v

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A letter is selected at random from the word "ASSASSINATION".Find the probability that letter is a vowel

asked Jul 1, 2014 by sreemathi.v

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If $\large\frac{2}{11}$ is the probability of an event,what is the probability of the event 'not A'

asked Jul 1, 2014 by sreemathi.v

1 answer

Three coins are tossed once.Find the probability of getting atmost 2 tails

asked Jul 1, 2014 by sreemathi.v

1 answer

Three coins are tossed once.Find the probability of getting no tail

asked Jul 1, 2014 by sreemathi.v

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Three coins are tossed once.Find the probability of getting exactly two tails

asked Jul 1, 2014 by sreemathi.v

1 answer

Three coins are tossed once.Find the probability of getting 3 tails

asked Jul 1, 2014 by sreemathi.v

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Three coins are tossed once.Find the probability of getting no head

asked Jul 1, 2014 by sreemathi.v

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Three coins are tossed once.Find the probability of getting atmost 2 heads

asked Jul 1, 2014 by sreemathi.v

1 answer

Three coins are tossed once.Find the probability of getting atleast 2 heads

asked Jul 1, 2014 by sreemathi.v

1 answer

Three coins are tossed once.Find the probability of getting 2 heads

asked Jul 1, 2014 by sreemathi.v

1 answer

Three coins are tossed once.Find the probability of getting 3 heads

asked Jul 1, 2014 by sreemathi.v

1 answer

A fair coin is tossed four times and a person win Rs.1 for each head and lose Rs.1.50 for each tail that turns up.From the sample space,calculate how many different amounts of money you can have after four tosses and the probability of having each of these amounts.

asked Jul 1, 2014 by sreemathi.v

1 answer

There are four men and six women on the city council.If one council member is selected for a committee at random,how likely is it that it is a woman ?

asked Jun 30, 2014 by sreemathi.v

1 answer

A fair coin with 1 marked on one face and 6 on the other and a fair dice are both tossed.Find the probability that the sum of the numbers that turn up is 12

asked Jun 30, 2014 by sreemathi.v

1 answer

A fair coin with 1 marked on one face and 6 on the other and a fair dice are both tossed.Find the probability that the sum of the numbers that turn up is 3

asked Jun 30, 2014 by sreemathi.v

1 answer

A card is selected from a pack of 52 cards.Calculate the probability the card is black card

asked Jun 30, 2014 by sreemathi.v

1 answer

A card is selected from a pack of 52 cards.Calculate the probability the card is an ace

asked Jun 30, 2014 by sreemathi.v

1 answer

A card is selected from a pack of 52 cards.Calculate the probability the card is an ace of spades.

asked Jun 30, 2014 by sreemathi.v

1 answer

A card is selected from a pack of 52 cards.How many points are there in the sample space ?

asked Jun 30, 2014 by sreemathi.v

1 answer

A die is thrown,find the probability of following event : A number less than 6 will appear

asked Jun 30, 2014 by sreemathi.v

1 answer

A die is thrown,find the probability of following event : A number more than 6 will appear

asked Jun 30, 2014 by sreemathi.v

1 answer

A die is thrown,find the probability of following event : A number less than or equal to 1 will appear

asked Jun 30, 2014 by sreemathi.v

1 answer

A die is thrown,find the probability of following event : A number greater than or equal to 3 will appear

asked Jun 30, 2014 by sreemathi.v

1 answer

A die is thrown,find the probability of following event : A prime number will appear.

asked Jun 30, 2014 by sreemathi.v

1 answer

A coin is tossed twice,what is the probability that atleast one tail occurs

asked Jun 30, 2014 by sreemathi.v

1 answer

Which of the following can not be valid assignment of probabilities for outcomes of sample space $S=\{\omega 1,\omega 2,\omega 3,\omega 4,\omega 5,\omega 6,\omega 7\}$

asked Jun 30, 2014 by sreemathi.v

1 answer

Two dice are thrown.The events A,B and C are as follows :A : getting an even number in first die,B : getting an odd number on the first die,C : getting the sum of the numbers on the dice $\leq$ 5.State true or false : A',B' and C are mutually exclusive & exhaustive

asked Jun 30, 2014 by sreemathi.v

1 answer

Two dice are thrown.The events A,B and C are as follows :A : getting an even number in first die,B : getting an odd number on the first die,C : getting the sum of the numbers on the dice $\leq$ 5.State true or false : A and B' are mutually exclusive.

asked Jun 30, 2014 by sreemathi.v

1 answer

Two dice are thrown.The events A,B and C are as follows :A : getting an even number in first die,B : getting an odd number on the first die,C : getting the sum of the numbers on the dice $\leq$ 5.State true or false : A and C are mutually exclusive

asked Jun 30, 2014 by sreemathi.v

1 answer

Two dice are thrown.The events A,B and C are as follows :A : getting an even number in first die,B : getting an odd number on the first die,C : getting the sum of the numbers on the dice $\leq$ 5.State true or false : A=B'

asked Jun 30, 2014 by sreemathi.v

1 answer

Two dice are thrown.The events A,B and C are as follows :A : getting an even number in first die,B : getting an odd number on the first die,C : getting the sum of the numbers on the dice $\leq$ 5.State true or false : A and B are mutually exclusive & exhaustive

asked Jun 27, 2014 by sreemathi.v

1 answer

Two dice are thrown.The events A,B and C are as follows :A : getting an even number in first die,B : getting an odd number on the first die,C : getting the sum of the numbers on the dice $\leq$ 5.State true or false : A and B are mutually exclusive.

asked Jun 27, 2014 by sreemathi.v

1 answer

Two dice are thrown.The events A,B and C are as follows :A : getting an even number in first die,B : getting an odd number on the first die,C : getting the sum of the numbers on the dice $\leq$ 5.Describe the event : $A\cap B' \cap C'$

asked Jun 27, 2014 by sreemathi.v

1 answer

Two dice are thrown.The events A,B and C are as follows :A : getting an even number in first die,B : getting an odd number on the first die,C : getting the sum of the numbers on the dice $\leq$ 5.Describe the event : B and C

asked Jun 27, 2014 by sreemathi.v

1 answer

Two dice are thrown.The events A,B and C are as follows :A : getting an even number in first die,B :getting an odd number on the first die,C : getting the sum of the numbers on the dice $\leq$ 5.Describe the event : B or C

asked Jun 27, 2014 by sreemathi.v

1 answer

Two dice are thrown.The events A,B and C are as follows :A : getting an even number in first die,B : getting an odd number on the first die,C : getting the sum of the numbers on the dice $\leq$ 5.Describe the event : A but not C

asked Jun 27, 2014 by sreemathi.v

1 answer

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