In a certain town, 21% of people commute to work by scooter. If a person is randomly selected from the town, what are the odds against selecting someone who commutes by scooter. (Be sure to reduce any fractions.)

72% of Americans said that they plan to travel in 2021, and 9% of those who plan to travelintend to take an international trip. What percentage of Americans plan to take aninternational trip in 2021?

A hospital report indicates 25% of its patients had an MRI in January. If 1,060 patients were hospitalized in January, how many had an MRI?

Suppose that the results of a survey show that 38% of people consider summer as their favorite season. How many people should be surveyed in order to have a margin of error of 6%? Round up to the nearest whole number, if necessary.     In order to have a margin of error of 6%,      people should be surveyed.

Suppose you have a job as a political poll person, approximately 130 million people voted in the last presidential election. How many people do you have to sample to be 95% certain you can identify a difference of 1%.