Answer:
A, B, and C
Step-by-step explanation:
The answer for 15.2+w=19.75+4.2 is <u>w=8.75</u>
3w=22.25+4 is <u>w=8.75</u>
The next equation is w= -8.75
The last equation is <u>w= 8.75</u>
You would need to come in 583.6 or 584 times
Answer:

Step-by-step explanation:

Answer:
D. 5
Step-by-step explanation:
Mean: (50+60)/2
110/2
55
Margin of error:
60 - 55
5