The probability that a retired man will live 10 more yrs. is .60
The probability that a retired woman will live 10 more is .70
What is the prob. that both will be alive in 10 years?
What is the prob. that he will be alive but she won't?
What is the prob. that in 10 yrs. at least 1 will be alive?
help - please
a medicine is 80% effective - it is tested on 14 people
What is the prob. that all 14 helped?
What is the prob. that fewer than 9 of 14 will be helped?
What is the prob. that 12 or more will be helpled?
Do I use the same formulas