Question 965147
.
LOCATION----TOTAL---PASSED
---A-------------1000-------700(70% of 1000)
---B--------------600-------408(68% of 600)
---C--------------400-------308(77% of 400)
___________________________________
TOTAL:--------2000------1416---
.
A)The probability a random candidate passed is 1416/2000=177/250
B)The probability a passing candidate was from B is 408/1416=17/59
C)The probability of a failing candidate from C is 92/2000=23/500