For Exercises 71–75, consider the experiment of tossing a fair coin three times and observing either heads or tails.
75. Use your results from Exercises 71–74 to construct a probability model for the number of heads observed.
5.1.75
| Number of heads | Probability |
|---|---|
| 0 | |
| 1 | |
| 2 | |
| 3 |