Which no. is greater and by how much 3^3+9 or 2×10^2
1 answer:
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Answer: 37
Step-by-step explanation:
As per given description in the question, we have
Population standard deviation :
Critical value for 98% confidence interval =
Margin of error : E= 1 mile per gallon
Formula we use to find the sample size :
i.e.
Therefore , the number of automobiles should be used in the test =37
Answer:
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