Chapter SH, Problem 13.6.7EP

To determine

To find:the probability $P(\text{ not orange })$

Answer to Problem 13.6.7EP

The required probability is $\text{1 or }100\%$

Explanation of Solution

Given:

Number of blue marbles is 4

Number of red marbles is 6

Number of green marbles is 3

Number of yellow marbles is 2

Select one marble at random.

Calculation:

Total number of marbles is $4+6+3+2=15$

Number of orange marbles is 0.

Number of non- orange marbles is 15

  $\begin{array}{l}P(\text{not orange})=\frac{\text{ number of non-orange marbles }}{\text{ total number of marbles }}\\ =\frac{15}{15}\\ =1\\ =100\%\end{array}$

Hence, the required probability is $\text{1 or }100\%$ .

Conclusion:

Therefore, the required probability is $\text{1 or }100\%$