QuestionQuestion 6 1 pts
Solve the problem.
Numbered disks are placed in a box and one disk is selected at random. If there are 7 red disks numbered 1 through 7 , and 4 yellow disks numbered 8 through 11, find the probability of selecting a disk numbered 3 , given that a red disk is selected. $\frac{4}{11}$ $\frac{1}{7}$ $\frac{7}{11}$

Studdy Solution
Calculate the conditional probability.
The probability of selecting disk number 3 given that a red disk is selected is the number of favorable outcomes divided by the total number of red disks:
$$P(\text{disk numbered 3} \mid \text{red disk}) = \frac{1}{7}$$
The probability is:
$$\boxed{\frac{1}{7}}$$