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II Probability puzzles II II II II II
Card chance
Imagine these cards are turned face down
and one card is turned over at random.
QJ List the 12 equally likely outcomes.
[3J Write the probability (as a fraction)
that the number turned over is:
a even b divisible by 3
c less than 4 d a prime number
e >12 f a square number 12
g <13 h between 2 and 5.
Name draw
Imagine that everyone in your class, including your teacher,
has put their first name on an identical card in a bag.
You take out one name.
@] Write the probability (as a fraction) that you will pick:
a a girl's name b a boy's name
c the teacher's name d a name beginning with C.
I STEPS 5:12 I