Answer:
103
Step-by-step explanation:
108+85+94+103+112+115+98+119+126+105+82+89=1236
1236/12=103
You could round 77 to 80 and 65 to 70 and then add 70 and 80 and you will get 150
Answer:
C=47
B=133
Step-by-step explanation:
Answer:
n = 1500
Step-by-step explanation:
The sample size is the number of students that were asked
n = 1500
First, let's work with the denominator alone:
4⁻⁴ = 1 / 4⁴ = 1/256 .
The original problem is the reciprocal of that = 256.