What is the probability?

Question

if the probability that tom will be in 20yrs is .7 and the probability that nancy will be allive in 20 years is .9, what is the probability that neither will be alive in 20yers

Answer 1

= (1-0.7)(1-0.9) = 0.03

Your friend,

Zen Jesus

Answer 2

= (1-0.7)(1-0.9) = 0.03

peace...