Consumers directly benefit from greater productivity because of which of the
following?
lo
o
o
a. fewer workers are needed to produce more goods and services.
b. older devices are replaced with newer versions more and more
quickly
c. goods and services are produced faster and can be sold more
cheaply.
d. the amount of natural resources needed to sustain human wants
and needs decreases
o
o

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?