Sunday

March 29, 2015

March 29, 2015

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.

**Answer this Question**

**Related Questions**

Math - The “Limited Plan” offers a 15% discount for power usage between 7pm – ...

physics - f a typical family of four uses electric energy at an average rate of ...

C. MATH - I have tried and tried to get the answer but am still confused; please...

StatIstics - "Household size" is defined as the number of people living in a ...

statistics - Is there a significant difference between the average internet ...

physics - please check these for me: When a positive charge moves in the ...

Physics - An electric space heater draws 15.5 A from a 120 V source. It is ...

physics - An electric space heater draws 15.5 A from a 120 V source. It is ...

research methods - The table labeled “Brooklyn Precinct Activity Measures” shows...

physics - At a certain location, the solar power per unit area reaching Earth's ...