The members of a city council wanted to assess the opinions of all city residents about converting an open field into a dog park. The council surveyed a sample of 500 city residents who own dogs. The survey showed that the majority of those sampled were in favor of the dog park. Which of the following is true about the city council’s survey?

A survey was conducted among a randomly chosen sample of 250 single men and 250 single women about whether they owned any dogs or cats. The table below displays a summary of the survey results. According to the table, which of the following statements is true?

Read the given statements carefully and answer the questions. The main reasons for vechicles crawling on city roads during peak hours are increasing number of private vechicles and double parking which is away common sight. A survey reveals vechicles move on a average at 10 kmph during peak hours. Which of the following is true according to the given statement ?

A polling agency recently surveyed 1,000 adults who were selected at random from alargecity and asked each of the adults,“Are you satisfied with the quality of air in the city?”Of those surveyed,78 percent responded that they were satisfied with the quality of air in the city. Based on the results of the survey, which of the following statements must be true? I. Of all adults in the city,78 percent are satisfied with the quality of air in the city. II. If another 1,000 adults selected at random from the city were surveyed,78 percent of them would report they are satisfied with the quality of air in the city. III. If 1,000adults selected at random from a differentcity were surveyed,78percent of them would report they are satisfied with the quality of air in the city

A survey was conducted among a randomly chosen sample of 250 single woman about whether they owned and dogs or cats. The table below displays a summery of the survey results. What fraction of the people surveyed who said they own dogs are women?

The Harrisburg Recreation Center recently changed its hours to open 1 hour later and close 3 hours later than it had previously. Residents of Harrisburg age 16 or older were given a survey and 560 residents replied. The survey asked each resident his or her student status (high school, college, or nonstudent) and what he or she thought about the change in hour (approve, disapprove, or no opinion). The results are summarized in the table below. Suppose a person will be chosen at random from these 560 residents. Which of the following values is closest to the probability that the person chosen will NOT be a high student and will NOT have replied with no opinion?