A Gallup Poll utilizing a random sample ofadults agesor older was conducted in April. The survey indicated a majority of Americans () say driverless cars will be common in the nextyears (Gallup,https://news.gallup.com/poll/234152/americans-expect-driverless-cars-common-next-decade.aspx). The question asked was:

Thinking about fully automated, "driverless cars," cars that use technology to drive and do not need a human driver, based on what you have heard or read, how soon do you think driverless cars will be commonly used in the [United States]?

The figure below shows a summary of results of the survey in a histogram indicating the percentage of the total responses in different time intervals.

a.Are the responses to the survey question quantitative or categorical? - Select your answer -CategoricalQuantitativeItem 1

b.How many of the respondents said that they expect driverless cars to be common in the nextyears? Round your answer to nearest whole number.

c.How many respondents answered in the rangeyears? Round your answer to nearest whole number.