13 Olu is going to take at random a counter from a bag.
The probability that he will take a red counter is 0.6
Olu writes down the colour of the counter.
He then puts the counter back in the bag.
Olu does this 50 times.
Work out an estimate for the number of times that Olu takes a red counter from the bag.
(Total for Question 13 is 2 marks)