Question

Question #c064b

Answer 1

`0.40951`

Explanation:

`P["defense stops plane"] = 0.1`
`=> P["defense fails to stop plane"]= 1 - 0.1 = 0.9`
`=> P["5 defenses fail to stop plane"] = 0.9^5`
`=> P["5 defenses stop plane"] = 1 - 0.9^5 = 0.40951`