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Standard XII

Mathematics

Event

If a sample s...

Question

If a sample space has $4$ elements, then number of events associated with it is

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Solution

We have,
$n (S) = 4$
$∴$ number of events associated with it is $2^{4} = 16$

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If A and B are two events of sample space S associated with a random experiment, then occurrence of A provided B has already occurred is called conditional probability. It is denoted by

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| X |

denotes the number of elements in a set

X .

Let

S = 1, 2, 3, 4, 5, 6

be a sample space, where each element is equally likely to occur. If

A

and

B

are independent events associated with

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then the number of ordered pairs

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When the sets A and B are two events associated with a sample space, then 'A ∩ B' is the event.

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Event

Standard XII Mathematics

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If a sample space has 4 elements, then number of events associated with it is

We have, n(S)=4 ∴ number of events associated with it is 24=16

If a sample space has $4$ elements, then number of events associated with it is

We have,
$n (S) = 4$
$∴$ number of events associated with it is $2^{4} = 16$