Answer:
1/5
Step-by-step explanation:
first write the formula of average speed
525
5 percent of 500 is 25
25 + 500=525
C
hope it helps
TY SIR PLS DONATE UR BRAIN AS SAID IN THE QUESTION
0.04 or 4%
point estimate of proportion:
(0.6+0.68)/2
1.28/2
0.64
Margin of error:
0.68 - 0.64 = 0.04
0.04×100 = 4%
