# Question

Seven trials are conducted in a Bernoulli process in which the probability of success in a given trial is 0.7. If x = the number of successes, determine the following:

a. E(x)

b. σx

c. P(x = 3)

d. P(2 ≤ x ≤ 8)

e. P(x >3)

a. E(x)

b. σx

c. P(x = 3)

d. P(2 ≤ x ≤ 8)

e. P(x >3)

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