Question: david picks a card at random from a deck containing...

David picks a card at random from a deck containing 12 red cards, 10 yellow cards, 5 blue cards and 8 green cards. What is the probability that he selects a red card or a greencard?

 

As part of a data handling exercise a group of pupils were investigating attendance at after-school clubs at their school. There are 256 pupils in the school. On a particular day, the attendance was as shown in the given table:

Attendance at after-schoolclubs
Chess	10
Computing	20
Drama	11
Music	12
Sports	12
Total	65

Approximately what fraction of the pupils attended the sports club?