Solution Mathematics 4024

Ali keeps a record of the computer games he plays.
Out of the first 6 games, Ali wins 4.
Out of the first 20 games, Ali wins 13.
Use these results to find the best estimate for the probability that Ali will not win the next computer
game he plays.
................................................. [1]
(b) A spinner is spun n times.
The spinner lands on red 14 times.
The relative frequency of the spinner landing on red is 0.2 .
Find the value of n