Q4: The speed of a file transfer from a university server to a student personal computer is normally distributed with a mean of 600 kilobits per second and a standard deviation of 50 kilobits per second. (a) What is the probability that the file will transfer at a speed of 715 kilobits per second or more? (b) What is the probability that the file will transfer at a speed of less than 610 kilobits per second? (c) If the file is 10 megabytes, what is the average time it will take to transfer the file? (Assume eight bits per byte.)

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Coulomb’s Law

Coulomb's law states that the attraction or repulsion force between two charged things is proportional to the product of their charges and inversely proportional to the square of their distance. It has an effect along the line that connects the two-point charges.