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  3. i have draw a random sample of 20 of my neighbors.

I have draw a random sample of 20 of my neighbors. I ask them their income...

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Basic Math

I have draw a random sample of 20 of my neighbors. I ask themtheir income (What can I say? I'm a nosy neighbor). My sampleaverage (x bar) is $41,000. I want to create a 95% confidenceinterval around x bar.

My estimated standard deviation is $5,000.

What is the 95% confidence internal for the average income in myneighborhood? $38,652 to $43.347, $38,663 to $43,336, $38,809 to$43,191, or not enough information?

Answer & Explanation Solved by verified expert
3.6 Ratings (566 Votes)
Solution Given that 410005000n 20At 95    See Answer
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