Question

,We toss three coins. What is the probability that we get exactly two tails?

Answer 1

2 out of three tosses!!

Answer 2

What he said^^^^

Answer 3

first you need to think how many ways you can get 2 heads out of 3, which is \[\binom32\]then multiply that by the individual probabilities of getting 2 heads and a tails. since each toss is independent, each probability mutliplies