subject
Mathematics, 19.01.2021 04:20 brodybb5515

A couple decides to keep having children until they have a girl, at which point they will stop having children. They also agree to having a maximum of three children. The table below shows the probability distribution of
X = the number of children such a couple would have.
1
2
3
X = # of children
P(X)
0.5
0.25
0.25
Given that fix = 1.75 children, find the standard deviation of the children such a couple would have.
Round your answer to two decimal places.
ox
children

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 13:40
Questions 14 through 23, choose the onest answer. write your answer in the box forestion 24. mark your answer on the coordinatene grid for question 25.the sum of three consecutive even numbers is 96.what is the largest of these numbers? (a) 30(b) 32(c) 34(d) 36
Answers: 2
question
Mathematics, 21.06.2019 14:00
Me. drysdale earned 906.25 in interest in one year on money that he had deposited in his local bank if the bank paid an interest rate of 6.25% how much money did mr. drysdale deposit
Answers: 3
question
Mathematics, 21.06.2019 21:30
Consider a bag that contains 220 coins of which 6 are rare indian pennies. for the given pair of events a and b, complete parts (a) and (b) below. a: when one of the 220 coins is randomly selected, it is one of the 6 indian pennies. b: when another one of the 220 coins is randomly selected (with replacement), it is also one of the 6 indian pennies. a. determine whether events a and b are independent or dependent. b. find p(a and b), the probability that events a and b both occur.
Answers: 2
question
Mathematics, 21.06.2019 22:30
Which of the following is an example of a rational number? a. π b. √ 9 c. √ 8 d. 3.8362319
Answers: 1
You know the right answer?
A couple decides to keep having children until they have a girl, at which point they will stop havin...
Questions
question
Biology, 20.12.2020 01:00
question
Mathematics, 20.12.2020 01:00
question
Mathematics, 20.12.2020 01:00
question
Physics, 20.12.2020 01:00
Questions on the website: 13722360