You toss a coin and roll a number cube. The table shows the sample space, where H means heads, T means tails, and the numbers represent the number cube roll. 1 2 4 5 6 H H1 H2 H3 H4 H5 H6 T T1 T2 Т3 T4 T5 T6 What is the probability of tossing heads and rolling a number less than 4?