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Recent questions tagged class11

Three coins are tossed,describe two events which are not mutually exclusive

asked Jun 27, 2014 by sreemathi.v

1 answer

Three coins are tossed,describe two events which are mutually exclusive and exhaustive

asked Jun 27, 2014 by sreemathi.v

1 answer

Three coins are tossed,describe two events which are mutually exclusive

asked Jun 27, 2014 by sreemathi.v

1 answer

Find mean and variance of the data:

asked Jun 27, 2014 by meena.p

1 answer

Three coins are tossed once,let A denote the event "three heads show",B denote the event "two heads and one tail show",C denote the event "three tails show" and D denote the event "a head shows on the first toss" which events are compound ?

asked Jun 27, 2014 by sreemathi.v

1 answer

Three coins are tossed once,let A denote the event "three heads show",B denote the event "two heads and one tail show",C denote the event "three tails show" and D denote the event "a head shows on the first toss" which events are simple ?

asked Jun 27, 2014 by sreemathi.v

1 answer

Three coins are tossed once,let A denote the event "three heads show",B denote the event "two heads and one tail show",C denote the event "three tails show" and D denote the event "a head shows on the first toss" which events are mutually exclusive ?

asked Jun 27, 2014 by sreemathi.v

1 answer

An experiment involves rolling a pair of dice and recording the numbers that come up.Describe the following events : A : The sum is greater than 8,B : 2 occurs on either die,C : The sum is atleast 7 and multiple of 3.Which pairs of these events are mutually exclusive ?

asked Jun 27, 2014 by sreemathi.v

1 answer

Find mean and variance of the data:

asked Jun 27, 2014 by meena.p

1 answer

$A=\{1,2,3,4,5\},B=\phi,C=\{3,6\},D=\{1,2,3\},E=\{6\},F=\{3,4,5,6\}$.Find $A \cup B,A\cap B,B \cup C,E \cap F,D\cap E,A-C,D-E,E \cap F',F'$

asked Jun 27, 2014 by sreemathi.v

1 answer

A die is thrown.Describe the following event : F : a number not less than 3.

asked Jun 27, 2014 by sreemathi.v

1 answer

A die is thrown .Describe the following event : E : an even number greater than 4.

asked Jun 27, 2014 by sreemathi.v

1 answer

A die is thrown.Describe the following event : D : a number less than 4

asked Jun 27, 2014 by sreemathi.v

1 answer

Find first 10 multiples of 3

asked Jun 27, 2014 by meena.p

1 answer

A die is thrown.Describe the following event : C : a multiple of 3

asked Jun 27, 2014 by sreemathi.v

1 answer

A die is thrown .Describe the following event : B : a number greater than 7

asked Jun 27, 2014 by sreemathi.v

1 answer

A die is thrown.Describe the following event : A : a number less than 7

asked Jun 27, 2014 by sreemathi.v

1 answer

A die is rolled.Let E be the event "die shows 4" anf F be the event "die shows even number".Are E and F mutually exclusive?

asked Jun 27, 2014 by sreemathi.v

1 answer

A die is thrown repeatedly untill a six comes up.What is the sample space for this experiment.

asked Jun 27, 2014 by sreemathi.v

1 answer

A coin is tossed .If it shows a tail,we draw a ball from a box which contains 2 red and 3 black balls.If it shows head,we throw a die.Find the sample space for this experiment.

asked Jun 27, 2014 by sreemathi.v

1 answer

First n natural numbers:

asked Jun 26, 2014 by meena.p

1 answer

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