If the probability that A will be alive in 20 years is 0.7 and the probability that B will be alive in 20 years is 0.5, find:

the probability that they both will be alive in 20 years

the probability that only one is alive in 20 years

Question

Mathematics

Kellen Hayden

10 April, 20:57

If the probability that A will be alive in 20 years is 0.7 and the probability that B will be alive in 20 years is 0.5, find:

the probability that they both will be alive in 20 years

the probability that only one is alive in 20 years

+4

Answers (2)

Know the Answer?

Marcel Dawson · Answer 1

I would think the total probability for both being alive is 0.7 * 0.5.

The probability for no one being alive is 0.3 * 0.5.

The probability for only one being alive is 1 - (0.7 * 0.5) - (0.3 * 0.5).

Ivan · Answer 2

The probability that they both will be alive in 20 years is 0.6, and the probability.

If the probability that A will be alive in 20 years is 0.7 and the probability that B will be alive in 20 years is 0.5, find:the probability that they both will be alive in 20 yearsthe probability that only one is alive in 20 years

If the probability that A will be alive in 20 years is 0.7 and the probability that B will be alive in 20 years is 0.5, find:

the probability that they both will be alive in 20 years

the probability that only one is alive in 20 years