Question: Assume a Web site changes its content according to the distribution in Exercise 3-30. Assume 10 changes are made independently. (a) What is the probability

Assume a Web site changes its content according to the distribution in Exercise 3-30.

Assume 10 changes are made independently.

(a) What is the probability that the change is made in less than 4 days in seven of the 10 updates?

(b) What is the probability that the change is made in less than 4 days in two or fewer of the 10 updates?

(c) What is the probability that at least one change is made in less than 4 days?

(d) What is the expected number of the 10 updates that occur in less than 4 days? 

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