Question 446887
A certain airplane has two independent alternators to povide electrical power. The probability that a given alternator will fail on a 1-hour flight is .02. What is the probability that 
(a) both will fail?:::::::0.02^2 
(b) Neither will fail?::::0.98^2 
(c) One or the other will fail?::: 1-[0.02^2+0.98^2] 
-------------------------------
Show all step carefully. 
Question 5.70
The probability is 1 in 4,000,000 that a single auto trip in the United States will result in a fatality. Over a lifetime, an average driver takes 50,00 trips. 
(a) What is the probability of a fatal accident over a lifetime? Explain your reasoning carefully. 
I'll leave this one to you.
Cheers,
Stan H.