Question: Twelve trials are conducted in a Bernoulli process in which the probability of success in a given trial is 0.3. If x = the number

Twelve trials are conducted in a Bernoulli process in which the probability of success in a given trial is 0.3. 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)

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