Question

quiz 6.4.1 - adding probabilities
this quiz will test your knowledge on when and how to add probabilities together.
value: 3
a box of chocolates contains four milk chocolates, four dark chocolates, and three white chocolates. you randomly select one chocolate. what is the probability that it is a milk or dark chocolate?
a. 16/121
b. 4/11
c. 8/11
d. 7/11

Explanation:

Step1: Calculate total number of chocolates

$4 + 4+3=11$

Step2: Calculate number of milk or dark chocolates

$4 + 4 = 8$

Step3: Calculate the probability

The probability $P=\frac{8}{11}$

Answer:

C. 8/11