Two coin game
Keita threw two coins in the air. Each time Keita threw the coins, she tallied how they landed.
Outcome  Tally  Frequency 
Head Head
Head Tail
Tail Head
Tail Tail

13
17 20 10 
a) 
How many times did Keita throw the two coins? __________ 
b) 
What proportion of Keita's throws had an outcome of ...

i)
ii)

two heads? __________
at least one head? __________

c) 
Draw an 'X' on the scale below to show the probability of Keita throwing two tails, based on her data in the table above.
