Question

There are 50 red beans and 50 white beans in a bag. The first bean selected is red. The red bean is returned to the bag.



What are the chances of the second bean selected being red?

Answer options with 5 options
A.
StartFraction 1 over 49 EndFraction

B.
StartFraction 1 over 50 EndFraction

C.
StartFraction 1 over 100 EndFraction

D.
StartFraction 49 over 100 EndFraction

E.
StartFraction 50 over 100 EndFraction

Answer 1

E. 50/100.

Since the red bean is returned, the bag is back to 50 red and 50 white (100 total), so the probability the second draw is red is 50/100 = 1/2.