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September 23, 2014

September 23, 2014

Posted by **Steve** on Saturday, May 10, 2008 at 11:23pm.

Electric Usage (in kWh)

Type of Dwelling < 5,000 5,000 – 7,000 7,000 – 11,000 11,000 – 15,000 Total

Single Family 15 35 65 25 140

Multi-Family 25 15 15 5 60

Total 40 50 80 30 200

a) What is the probability of selecting someone who uses between 7,000 and 11,000 kWh?

b) What is the probability of randomly selecting someone who uses less than 5,000 kWh and who lives in a multi-family dwelling?

c) What is the probability of selecting someone who lives in a single family dwelling or uses between 5,000 and 7,000 kWh?

- Statistics -
**drwls**, Sunday, May 11, 2008 at 6:49amThere is no table.

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