Elizabeth is waiting for her flight at the airport. She decides to conduct an experiment. She wants to know how many people at t
he airport carry a laptop with them for their flight. She sees 50 people walk past her as she waits. Thirty of those people are carrying laptops. What is the population and sample in this scenario? A) The sample is everyone at the airport, the population is the 50 people that walked by Elizabeth.
B) The population is everyone at the airport, the sample is the 50 people that walked by Elizabeth.
C) The population is the 50 people that walked by Elizabeth, the sample is the 30 people that were carrying a laptop.
D) The population is everyone at the airport, the sample is the 30 people that were carrying a laptop.
At first I learned to do these equations as Part÷Whole=Percent÷100 Part(The portion)=300 Whole=X Percent=5 So now you have 300÷X=5÷100 Set this up as a fraction and cross multiply. Now you have 30,000=5x Now divide both sides by 5 and you get x=6,000 6,000 is your answer.
