Step-by-step explanation:
(500/8)15=937.5 meters in 15 minutes
62.5 m in one minute
Answer:
Sample size is
Step-by-step explanation:
Given that,
Margin of error %
Confidence level %
Suppose, sample proportion
i.e.
We know that,
Margin of error
∴
squaring on both side,
∴
Hence, the sample size is,
Hence, the correct option is
Answer:
it looks hard
Step-by-step explanation:
nsweres el dodeel s Step-by-step explanationen