Probability that she would like to have mac

Question

Problem:

Sixty percent of all technical assistants would like to have a PC. Fifty percent of all technical assistants would like to have MAC. Twenty percent of all technical assistants would like to have both.

Required:

Question: 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?

• .33
• .60
• 1.10
• .90

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