C.48
110 students
- 42 photography
———
68
Now you must account for the fifteen who are in dual enrollment so 35-15=20
68
- 20
____
48
Answer:
8.8 tsp
Step-by-step explanation:
4/5=x/11
cross multiply
44=5x
44/5=x
x=8.8
Answer:
± 5.919
Step-by-step explanation:
Margin of Error formula = z × standard deviation/√n
Z score for 99% confidence interval = 2.58
n = 19
Standard deviation = 10
Margin of Error = 2.58 × 10/√19
= ± 5.9189259339
Approximately to 3 decimal place = ± 5.919