What is the standard deviation of the number of children

Reference no: EM131824992

Eye color, Part I. A husband and wife both have brown eyes but carry genes that make it possible for their children to have brown eyes (probability 0.75), blue eyes (0.125), or green eyes (0.125).

(a) What is the probability the first blue-eyed child they have is their third child? Assume that the eye colors of the children are independent of each other.

(b) On average, how many children would such a pair of parents have before having a blue-eyed child? What is the standard deviation of the number of children they would expect to have until the first blue-eyed child?

Reference no: EM131824992

Questions Cloud

Problem regarding the sat scores : SAT scores (out of 2400) are distributed normally with a mean of 1500 and a standard deviation of 300. Suppose a school council awards

Probability of sampling two females : What is the probability of sampling two females in a row when sampling with replacement? What is the probability when sampling without replacement?

What is the probability that all three randomly selected : What is the probability that all three randomly selected women are married?

Computing the defective rate : A machine that produces a special type of transistor (a component of computers) has a 2% defective rate. The production is considered a random process

What is the standard deviation of the number of children : What is the standard deviation of the number of children they would expect to have until the first blue-eyed child?

Distribution of speeds of cars traveling : Speeding on the I-5, Part II. Exercise 3.12 states that the distribution of speeds of cars traveling on the Interstate

Calculating the probability that exactly six : Is the use of the binomial distribution appropriate for calculating the probability that exactly six consumed alcoholic beverages? Explain.

Sample have consumed alcoholic beverages : What is the probability that 45 or more people in this sample have consumed alcoholic beverages? How does this probability relate to your answer to part (b)?

Determining the probability of chickenpox : Would you be surprised if there were 105 people who have had chickenpox in their childhood?

User Account

All Pages