$\"\"$

A bowl contains $\"\"$ red chips, $\"\"$ green chips, $\"\"$ yellow chips, and $\"\"$ orange chips.

Find the probability of orange chip.

The total number of chips is $\"\"$ .

The number of ways of selecting one chip from the total number of chips is $\"\"$ .

Hence, $\"\"$ .

The number of ways of selecting one orange chip is $\"\"$ .

Hence, $\"\"$ .

The probabity is $\"\"$ .

$\"\"$ (Substitute $\"\"$ and $\"\"$ )

$\"\"$ (Simplify)

The probability of orange chip is $\"\"$ . $\"\"$

The probability of orange chip is $\"\"$ .