I need these plz

Question

A pet supply company wants to find out how satisfied their customers are with their service and inventory.

Assume that a survey was conducted of 500 people and 472 customers said that they were satisfied with the service.

1)Find the percentage of people who were satisfied.

2)Find the margin of error for the sample.

3)Find the range of percentages of customers who were likely to be satisfied with their service.

4)Use all this information to write a statistical conclusion about the survey using complete sentences.

Answer 1

1) 472/500=944/1000=94.4/100=94.4%

2) for a sample size of 500 the margin of error is ± 4%

3)94.4%-4%=90.4%

94.4%+4%=98.4%

the range is between 90.4% and 98.4%

4) you can do the conclusion