The us consumes an average of 5.77 million metric tons of bananas per year. there are 301 million people in the us and there are 1000 kg in 1 metric ton.
round answer (except last one) to three significant digits.
(1848576 with 3 sd's becomes 185 = 1.85e6)
how many kilogram of bananas are consumed per person in a year?

Assume that there is a 11% rate of disk drive failure in a year. a. if all your computer data is stored on a hard disk drive with a copy stored on a second hard disk drive, what is the probability that during a year, you can avoid catastrophe with at least one working drive? b. if copies of all your computer data are stored on four independent hard disk drives, what is the probability that during a year, you can avoid catastrophe with at least one working drive?