Fifty percent of all technical assistants would like to

Question

Fifty percent of all technical assistants would like to have a PC. Eighty percent of all technical assistants would like to have MAC. Fourty-five percent of all technical assistants would like to have both. If a technical assistant is randomly selected, what is the probability that she would like to have MAC, given that she would like to have a PC as well?

• 0.45
• 0.50
• 1.10
• 1.30
• 0.90