41-50. 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.(a) What is the probability that the file will transfer at a speed of 70 kilobits per second or more? (b) What is the probability that the file will transfer at a speed of less than 58 kilobits per second? (c) If the file is 1 megabyte, what is the average time it will take to transfer the file? (Assume eight bits per byte.)

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41-50. 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. (a) What is the probability that the
file will transfer at a speed of 70 kilobits per second or more? (b) What is the probability that
the file will transfer at a speed of less than 58 kilobits per second? (c) If the file is 1
megabyte, what is the average time it will take to transfer the file? (Assume eight bits per
byte.)
Transcribed Image Text:41-50. 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. (a) What is the probability that the file will transfer at a speed of 70 kilobits per second or more? (b) What is the probability that the file will transfer at a speed of less than 58 kilobits per second? (c) If the file is 1 megabyte, what is the average time it will take to transfer the file? (Assume eight bits per byte.)
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