Boys and girls: A couple plans to have children until a girl is born, but they will have no more than four children. Assume that each child is equally likely to be a boy or a girl. Let Y be the number of boys they have. Part: 0 / 3 Part 1 of 3 (a) Find the probability distribution of Y. Round your answers to four decimal places, as necessary. y 1 3 4 P(y)

Boys and girls: A couple plans to have children until a girl is born, but they will have no more than four children. Assume that each child is equally likely to be a boy or a girl. Let Y be the number of boys they have. Part: 0 / 3 Part 1 of 3 (a) Find the probability distribution of Y. Round your answers to four decimal places, as necessary. y 1 3 4 P(y)

College Algebra

7th Edition

ISBN:9781305115545

Author:James Stewart, Lothar Redlin, Saleem Watson

Publisher:James Stewart, Lothar Redlin, Saleem Watson

Chapter9: Counting And Probability

Section9.3: Binomial Probability

Problem 40E: Telephone Marketing A mortgage company advertises its rates by making unsolicited telephone calls to...

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Quality Control To control the quality of their product, the Bright-Light Company inspects three light bulbs out of each batch of ten bulbs manufactured. If a defective bulb is found, the batch is discarded. Suppose a batch contains two defective bulbs. What is the probability that the batch will be discarded?
Telephone Marketing A mortgage company advertises its rates by making unsolicited telephone calls to random numbers. About 2 of the calls reach consumers who are interested in the companys services. A telephone consultant can make 100 calls per evening shift. a What is the probability that two or more calls will reach an interested party in one shift? b How many calls does a consultant need to make to ensure at least a 0.5 probability of reaching one or more interested parties? Hint: Use trial and error.
Telephone Marketing A mortgage company advertises its rates by making unsolicited telephone calls to random number. About 2% of the calls reach consumers who are interested in the company’s services. A telephone consultant can make 100 calls per evening shift. What is the probability that two or more calls will reach an interested party in one shift? How many calls does a consultant need to make to ensure at least a 0.5 probability of reaching one or more interested parties? [Hint: Use trial and error.]