We are estimating the spares requirement for a radar power supply. The power supply was designed with a mean (u) life of 6500 hours. The standard deviation determined from testing is 750 hours. What is the liklikhood that a power supply would fail between 7225 and 7670 hours.
Answers:
a) 10.66%
b) 4.44%
c) 33.40%
d)44.06