Probability, SMB-001

A group of 125 people were asked if they wear a watch or not.

This table shows the results.

A man was selected at random.

What is the exact probability that he wears a watch? (2 marks)

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`5/12`

Show Worked Solution

`P(text(man chosen wears watch))`

`= text(number of men wearing watch)/text(total men)`

`= 25/60`

`= 5/12`