SAT Math Practice Question #13864 - SATify | SATify
#13864
data analysis
probability
hard
45 sec
Students in a class are grouped by learning mode and grade outcome as follows:
Learning mode
A
B
C
Online
12
18
6
In-person
8
x
4
If a randomly chosen in-person student received a grade of B with probability 31, find x.
• Up to 5 characters (6 if negative). Only numbers, decimal (.), fraction (/), negative (-). • Fractions must be in lowest terms. • Mixed numbers must be converted to improper fractions.
