Report about a statistical study, identily the items below To find the publicd's views on pollution, researchers wailed outside a car dealenship they had randomly selected from a list of such establishments . Tey·tpped every 10th person who an e out df the dealership and asked whether he or she thought polution was a serious problem.
1. The population
A. people
B. all people except those who work at car dealerships
C. all people that go to car dealerships
D. every 10th person leaving the dealership
2. The population parameter of interest
A proportion of people who did not answer the survey
B. proportion who think polution is not a serious problem
C. proportion of people who answered the survey
D. proportion of people who think polution is a serious probiem

The question is not clear enough. This is the complete question: To find the public’s views on pollution, researchers waited outside a car dealership they had randomly selected from a list of such establishments. They stopped every 10th person who came out of the dealership and asked whether he or she thought pollution was a serious problem.

1) C   2) D

Step-by-step explanation:

Population is simply defined as a set of people who have a common characteristic. In this case, it is everyone that goes to car dealerships. There  interest is pollution and they already have a list of car dealership establishments.

The population parameter of interest is everyone who think pollution is a serious problem. This is the researcher's main reason for conducting the research. The percentage of people who think pollution is a serious problem.

on monday rodney ate 1/4th of the sandwich = 3/12

on tuesday he ate 1/3rd of the sandwich = 4/12

therefore in total he has eaten = 3/12 + 4/12 = 7/12

thus we can say that he has eaten 7/12 of the sandwich on monday and tuesday alltogether.

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