# Question

Among live deliveries, the probability of a twin birth is .02.

(a) In 200 live deliveries, how many would be expected to have twin births?

(b) What is the probability of no twin births?

(c) One twin birth?

(d) Calculate these probabilities both with and without an approximation.

(a) In 200 live deliveries, how many would be expected to have twin births?

(b) What is the probability of no twin births?

(c) One twin birth?

(d) Calculate these probabilities both with and without an approximation.

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