It would be 0.2222 so it's your answer
The parameter of the study's population is the 80% of all customers who shopped in the chain's stores that were interested in the home delivery service.
Population parameter is defined as any summary number that describes the entire population. It can be an average or a percentage/
The 1,000 customers that were surveyed are the sample of the population. They basically represent the population of the chain's customers.
17.5 because 140 divided by 35 is 17.5 and so is 70 divided by 35.
Answer:
I'm not sure but the last one I think is wroght
