Kamau tosses a coin three times:- [6 marks]

i. Write down the probability space.

ii. What is the probability of Kamau getting at least two heads.

iii. What is the probability of Kamau getting at least 2 heads given that the first time the coins showed a head.

iv. Find the probability distribution of x, the number of head observe

d. i. Differentiate between primary data and secondary data. [2 marks]

ii. Given two sources of each of the above data. [1 mark]