Question

Urn A contains seven white balls and four black balls. Urn B contains six white balls and three black balls. A ball is drawn from Urn A and then transferred to Urn B. A ball is then drawn from Urn B. What is the probability that the transferred ball was black given that the second ball drawn was black? (Round your answer to three decimal places.)

Answer 1

끼wlA) ㄱ ni BIA) = 4 nwl B) 일 끼 모d 80= NADE D+ U =|| NCS) - 6+ 3 =3 닉ㅆ 11 pl Black/ Blouky 3 ㅗ 유 } To 1) 10 32 ICS Scanned with Camscanner 으니,