Question

Help please

Answer 1

first we consider the total number of possibilities

if there are 2 possible outcomes for 1 coin, how many are there for 3 coins?

Answer 2

6

Answer 3

(outcomes of one coin) * (outcomes of one coin) * (outcomes of one coin)

Answer 4

2 * 2 * 2 = ?

Answer 5

8

Answer 6

good, now we consider possible ways to get 2 heads (exactly)

Answer 7

we can get HTH, HHT, and THH

so 3 possibilities out of 8

answer = 3/8

Answer 8

ty