Question

There are 3842 marbles in a blue bag and 1253 marbles in a red bag. Estimate the total umber of marbles in both the bags. ​

Answer 1

Answer:

To pick another red marble, now you will have probability 49 (since no replacement). To pick a blue marble next, you have probability 58, and for another 47. Note that this is not the only way to pick up the required balls, you can have other arrangements as RRBB,RBRB,BRBR,BBRR,BRRB,RBBR, in total (42)=6 ways.

Answer 2

your answer refer to the attachment