Answer:
YZ
Step-by-step explanation:
The included side to two angles is the side between the angles
The side between angles Z and Y is side YZ
total number of marbles= 5+2+3+5 = 15 marbles
probability of a red marble - 2/15
probability of yellow marble - 5/15 = 1/3
The error is that a mass balance isn't used to get the exact data