# We collected a sample of the prices of new homes. The mean of our sample is...

###### Question:

We collected a sample of the prices of new homes. The mean of our sample is $255,000, with a standard deviation of$19,000. Calculate the z-scores of each of the given prices. Determine if the they are usual or unusual. Round up each z-score to two decimals.

(a) $275, 000 (b)$230,000

(c) $210,000 (d)$290,000

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