### Home > A2C > Chapter 13 > Lesson 13.2.1 > Problem 13-108

13-108.

Hospital records show that 10% of all the cases of a certain disease are fatal. If five patients suffer from this disease, find the probability that: Homework Help ✎

All will recover.

At least three will die.

_{5}C_{5} (0.9)^{5} (0.1)^{0}

Add the probabilities of 3, 4, and 5 patients dying.

≈ 0.00856