20
(Choose 1 answer)
(See picture)
! A. 0.9938
! B. 0.0228
! C. 0.8413
D. 0.0062
The speed of a file transfer from a server on campus to a personal computer at a student's home on a weekday evening is normally distributed with a mean of 60 kilobits per second and a standard deviation of 4 kilobits per second.
What is the probability that the file will transfer at a speed of 70 kilobits per second or more?
Given that P(Z<1)=0.8413, P(Z<2.5)=0.9938, P(Z> 2)=0.0228
