Numbered Disks Are Placed in a Box and One Disk $\frac { 1 } { 4 }$

question 246

Multiple Choice

Numbered disks are placed in a box and one disk is selected at random. If there are 2 red disks numbered 1through 2, and 6 yellow disks numbered 3 through 8, find the probability of selecting a red disk, given that anodd-numbered disk is selected.

• A) \(\frac { 1 } { 4 }\)
• B) \(\frac { 3 } { 4 }\)
• C) \(\frac { 1 } { 8 }\)
• D) \(\frac { 3 } { 8 }\)