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2 answers:
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Answer:
1.1264
Step-by-step explanation:
Given : An experiment using 35 guinea pigs is set up to study the weight of the pigs after injecting them with a drug.
To Find: If the population mean is 23.5 grams with a standard deviation of 3.4 grams, what is the margin of error of the sample mean?
Solution:
n = 35
Confidence interval = 95%. So, z =1.96
Margin of error =
Margin of error =
Margin of error =
Hence the margin of error of the sample mean is 1.1264.
Answer:
Step-by-step explanation:
<em>Hey there!</em>
Well to find area we'll use the following formula.
Plug in the given info,
Simplify
218.5/2
109.25 or 109.3 rounded to the nearest tenth
= 109.3yd²
<em>Hope this helps :)</em>