$\"\"$

\

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

\

Find the probability of not green 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 green chip is $\"\"$ .

\

Hence, $\"\"$ .

\

The probabity is $\"\"$ .

\

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

\

Probability of not green is $\"\"$ .

\

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

\

$\"\"$ (Simplify)

\

$\"\"$ (Simplify)

\

$\"\"$ (Simplify)

\

The probability of not green chip is $\"\"$ . $\"\"$

\

The probability of not green chip is $\"\"$ .