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An article estimates the average yearly cost of owning and operating a vehicle is $8,500. The article also stated, with 95% confidence, the margin of error for this estimate is $100.

Determine the resulting 95% confidence interval for the average yearly cost of owning and operating a vehicle.

A. ($8,400, $8,500)
B. ($8,400, $8,600)
C. ($8,450, $8,550)
D. ($8,500, $8,600)

User Bogdan B
by
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2 Answers

2 votes

Answer: B

Explanation:

Cost = $8,500

Margin of Error = +/-$100

$8,500 + $100 = $8600

$8,500 - $100 - $8400

User Lee Louviere
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1 vote

Answer:It is c

Explanation:

User Stan Lin
by
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