More and more households are struggling to pay utility bills given high heating costs. Particularly hard hit are households with homes heated with propane or heating oil. Many of these households are spending twice as much to stay warm this winter compared to those who heat with natural gas or electricity. A representative sample of 500 households was taken to investigate if the type of heating influences whether or not a household is delinquent in paying its utility bill. The following table reports the results. (see image attached) a. What is the probability that a randomly selected household uses heating oil?  b. What is the probability that a randomly selected household is delinquent in paying its utility bill? c. What is the probability that a randomly selected household uses heating oil and is delinquent in paying its utility bill? d. Given that a household uses heating oil, what is the probability that it is delinquent in paying its utility bill? e. Given that a household is delinquent in paying its utility bill, what is the probability that the household uses electricity? f. Are the events “Heating Oil” and “Delinquent in Payment” independent?

MATLAB: An Introduction with Applications
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More and more households are struggling to pay utility bills given high heating costs. Particularly hard hit are households with homes heated with propane or heating oil. Many of these households are spending twice as much to stay warm this winter compared to those who heat with natural gas or electricity. A representative sample of 500 households was taken to investigate if the type of heating influences whether or not a household is delinquent in paying its utility bill. The following table reports the results. (see image attached)

a. What is the probability that a randomly selected household uses heating oil? 

b. What is the probability that a randomly selected household is delinquent in paying its utility bill?

c. What is the probability that a randomly selected household uses heating oil and is delinquent in paying its utility bill?

d. Given that a household uses heating oil, what is the probability that it is delinquent in paying its utility bill?

e. Given that a household is delinquent in paying its utility bill, what is the probability that the household uses electricity?

f. Are the events “Heating Oil” and “Delinquent in Payment” independent?

 

 

 

 

Туре of Heating
Нeating
Delinquent
in Payment?
Natural
Gas
Electricity
Oil
Propane
10
Yes
50
20
15
No
240
130
20
15
Transcribed Image Text:Туре of Heating Нeating Delinquent in Payment? Natural Gas Electricity Oil Propane 10 Yes 50 20 15 No 240 130 20 15
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