Answer:
The margin of error for a sample size of 250 is 6
Step-by-step explanation:
The margin of error is given as
1/square root of the sample size
Thus, margin of error for a sapless size of 250 is
1/√250
= 1/15. 811
= 6
Answer:
13. x = 4
14. x = -16
15. x = 11
Step-by-step explanation:
Answer: 5
Step-by-step explanation:
5x7=35
35-4=31
4πrsquare= 2πrsquare+2πrh
2πrsquare=2πrh
R=h
So h=16/2=8mm
Answer:
4/25
Step-by-step explanation:
i am pretty sure this is correct:)
