Q1. A dice is rolled, find the probability that an even number is obtained.

Indicate the sample space, events and formula you use to calculate.

Q2. Two coins are tossed, find the probability that two heads are obtained.Note: Each coin has two possible outcomes H (heads) and T (Tails).

Q3. A bag contains fifteen balls distinguishable only by their colours; ten are red and five are green. I reach into the bag with both hands and pull out two balls (one with each hand) and record their colours.

What is the sample space?

Express the event that the ball in my left hand is red as a subset of the sample space.