Multiply 4 and 16 to get 60 then subtract that by 36
Standard of living refers to the level of wealth, comfort, material goods and necessities available to a certain socioeconomic class or geographic area. Cost of living is the amount of money needed to cover basic expenses such as housing, food, taxes, and healthcare in a certain place and time period. Stage of life refers to the different phases of life that all individuals pass through in a normal lifetime.
No of people not from their neighborhood=25-20=5
total contact s=25
therefore probability to call a person not from his neighborhood=5/25=1/5
therefore P=1/5
Answer: The first option
Step-by-step explanation:
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