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Standard XI

Mathematics

Combination

A box contain...

Question

A box contains $1$ red and $3$ identical white balls. Two balls are drawn at random in succession without replacement. Write the sample space for this experiment

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Solution

A box contain $1$ red and $3$ identical white balls

Let $R$ denote the red ball and $W$ denote the identical white ball

The $2$ ball selected at random in succession without replacement

Sample space is

$S = {R W, W R, W W}$

$1 s t$ ball $2 n d$ ball
$R$ $W$
$W$ $R$
$W$ $W$

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A box contains 1 red and 3 identical white balls. Two balls are drawn at random in succession without replacement. Write the sample space for this experiment

A box contain 1 red and 3 identical white balls Let R denote the red ball and W denote the identical white ballThe 2 ball selected at random in succession without replacementSample space isS={RW,WR,WW}1st ball 2nd ball R W W R W W

A box contains $1$ red and $3$ identical white balls. Two balls are drawn at random in succession without replacement. Write the sample space for this experiment

A box contain $1$ red and $3$ identical white balls

Let $R$ denote the red ball and $W$ denote the identical white ball

The $2$ ball selected at random in succession without replacement

Sample space is

$S = {R W, W R, W W}$

$1 s t$ ball $2 n d$ ball
$R$ $W$
$W$ $R$
$W$ $W$