# finding the expected number of lives saved by the defibrillator

Suppose that over the next several years, there will be 100 cardiac incidents at Silver's. Without a defibrillator, 30 victims will die before paramedics arrive. With a defibrillator, there is an 80% probability of saving a victim who would die without it. However, there is a 3% probability that improper use of the defibrillator will kill a victim who would have otherwise lived. Find the expected number of lives saved by the defibrillator.

Hint: Use reasoning, not algebraic formula.

Expected # of lives saved = Expected # still alive due to defibrillator (a medical devise) - Expected # who died due to improper use.

https://brainmass.com/statistics/probability/expected-number-lives-saved-defibrillator-577193

#### Solution Preview

We need to use Expected # of lives saved = Expected # still alive due to defibrillator (a medical devise) - Expected # who died due to improper use.

For expected # still alive due to ...

#### Solution Summary

The solution of 130 words gives details steps and instructions on finding the expected number of lives saved by the defibrillator. All formula and calculations are shown and done by hand.