A bag contains 5 red marbles and 3 yellow marbles. What is the probability of drawing a red marble, then replacing that marble, then drawing a red marble again on the second pick?
A. 9/64
B. 15/64
C. 25/64
D. 5/8

Question

A bag contains 5 red marbles and 3 yellow marbles. What is the probability of drawing a red marble, then replacing that marble, then drawing a red marble again on the second pick?
A. 9/64  
 B. 15/64  
 C. 25/64  
 D. 5/8

anonymous · Answer

This is my last question please help me!!!

anonymous · Answer

i would like to know what u have in mind on how to solve this one.

anonymous · Answer

i have no idea

anonymous · Answer

ill just hav 2 guess

anonymous · Answer

for 1st pick, u hav 3red and 5green, so probability to get red is 3/8. u got this?

anonymous · Answer

so i think it might be D

anonymous · Answer

sorry/ it should be 5/8. D is wrong

anonymous · Answer

aww well that okay i got an 84% on the onlin quiz

anonymous · Answer

merry. u getting better. more hardwork will make u better.not a bad mark for that. :)

anonymous · Answer

thanx see ya laterz im tired bii :)

anonymous · Answer

uuu

anonymous · Answer

later merry

anonymous · Answer

Oh and i changed my account now its this one because i forgot my password to the other one

anonymous · Answer

lol.. ok merry. be good. study more and u wil get better in probability.

anonymous · Answer

thanx u to . . . wait no ur good at tht i mean humm be good 2 :)

radar · Answer

merrylin you for got to consider the problem to its completion.  The first draw was indeed 3/8.  Now you continue with the problem, you return the red marble and draw again.  It is still 3/8, but your probability of doing this twice is :
3/8 x 3/8 or 9/64.      Choice A