Answer:
The 4th option
1.Amy should ask every 10th person leaving the school at the end of the day and Amy should ask the 50 students in her computer lab.
2.Yes,the sample is unbiased and equal to everyone.
3.200
Step-by-step explanation:
3a
2b + 3c
3d + 2e
5g
2a
14b
10d + 21e
7m + 14n
12p + 18q
13a + 11b + 10c
