SOLUTION: I need to know if my answer is correct on this one. I constructed a diagram and listed the sample space as 8. I found the probability to be 1/4. Thanks.
A couple plan to have
Algebra.Com
Question 126963: I need to know if my answer is correct on this one. I constructed a diagram and listed the sample space as 8. I found the probability to be 1/4. Thanks.
A couple plan to have exactly three children.
(a) Construct a tree diagram and list the sample space.
(b) Find the probability that the family has at least two girls.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
A couple plan to have exactly three children.
(a) Construct a tree diagram and list the sample space.
Yes, there are 8 possible patterns.
----------------------------------------
(b) Find the probability that the family has at least two girls.
P(at least two girls) = P(2 girls) + P(3 girls) = (3/8)+(1/8) = 4/8 = 1/2
----------------
Cheers,
Stan H.
RELATED QUESTIONS
A bookself has space for 6 books. If 8 different books are available, how many different... (answered by stanbon)
I did the first two but i need to know if i am correct and then i need help in the third... (answered by pradhyumna.kumar@gmail.com)
A box contains 1 red, 2 white, and 4 blue balls. Two balls are drawn without replacement, (answered by Boreal)
Can someone tell me If I found the correct answers? Based on the diagram, solve for x and (answered by Alan3354)
I am homeschooled and I have worked on this problem for hours. My mom finally gave me... (answered by mananth)
I am doing a multi-step equation with variables on both sides. I tried as far as I could... (answered by jim_thompson5910)
I need to know how to multiply -2.1 over 2(-0.03) I can't get the correct answer I keep... (answered by richwmiller)
A specific brand of bike comes in two frames, for males or females. Each frame comes in a (answered by jim_thompson5910)
A mini license plate for a toy car must consist of three numbers followed by a letter.... (answered by jim_thompson5910)