# Question: Among live deliveries the probability of a twin birth is

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.

**View Solution:**## Answer to relevant Questions

The probability is .03 that a passenger on United Airlines fight 9841 is a Platinum flyer (50,000 miles per year). If 200 passengers take this fight, use Excel to find the binomial probability of (a) No Platinum flyers, (b) ...The probability of a job offer in a given interview is .25. (a) What is the expected number of interviews until the first job offer? (b) What is the probability the first job offer occurs within the first six interviews? Automobile warranty claims for engine mount failure in a Troppo Malo 2000 SE are rare at a certain dealership, occurring at a mean rate of 0.1 claim per month. (a) What is the probability that the dealership will wait at ...Discuss why you would or would not expect each of the following variables to be normally distributed. a. Shoe sizes of adult males. b. Years of higher education of 30-year-old employed women. c. Days from mailing home ...Find the associated z-score for each of the following standard normal areas. a. Highest 10 percent b. Lowest 50 percent c. Highest 7 percentPost your question