aseel667789
22.01.2021 •
Mathematics
Came
QUIZ: PERCENTS
Answer the questions below. Be sure to show work and justify your thinking,
1. Amanda plans to run eight laps around the track. Each lap is 100 yards.
So far Amanda has run 240 yards. What percentage of the total has Amanda
completed?
Solved
Show answers
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Ответ:
305
Step-by-step explanation:
100×8=800
240÷800 = 0.3
0.3×100=30%
Ответ:
0.9577
Step-by-step explanation:
Formula for margin of error (E):
Given: n= 200
Critical value for 97% confidence level = 2.17
Margin of error (E) =
Hence, the margin of error for a 97% confidence interval = 0.9577