Step-by-step explanation:
Answer:
D
Step-by-step explanation:
sampling distribution is statistical representation of statistics of each sample. So for a class size of 30,
A. number of samples have to be very large and defined in sampling distribtuion so this option is nullified
B. sample collection in sampling distribution is done without replacement of individuals so this option is nullified
C. this explanation doesn't match with the definition so this option is nullified
D. It is the correct option
Let Tory’s sister age = x
Since Tory is 3 years older than her sister ,
Tory = (x + 3)
let Quentin’s brother age = x
( because quentin’s brother & tory’s sister are the same age , we can let both their ages be x )
Since Quentin is 8 years less than twice his brother’s age ,
Quentin = (2x -8)
Since Quentin and Tory are the same age ,
x + 3 = 2x - 8
-x = -8-3
x = 11
Ans : 11 years old :)
I’m so sorry if this is incorrect
