Chapter 0.5, Problem 9E

To determine

To find: The odds in favor of both landing on heads and then find the odds in favor of exactly one landing on tails.

Answer to Problem 9E

  $1:3$ and $1:1$

Explanation of Solution

Given information:

Two fair coins are tossed.

Calculation:

There are 4possible outcomes. Heads and Heads, Heads and tails, Tails and Heads, Tails and Tails. Only one is Head and Head

So, it would be $1:3$ .

There are 4 possible outcomes, two of which have only one tails. Heads and tails, Tails and Heads. The remaining two outcomes do not have exactly 1 tails.

So, we get $2:2$ , which on simplify gives $1:1$ .