Researchers asked 200 families whether or not they were homeowners and how many cars they had. Their responses are summarized in the following table.  No car or one car Two or more carsHomeowner 12 78Not a homeowner 42 68(a) What percentage of the families are homeowners?%(b) What percentage of the families have two or more cars?%CheckSave For LaterSubmit Assignment

A group of 200 students were asked whether they have a curfew and whether they have chores at home. Their responses are summarized in the following table.Have chores Don't have choresHave a curfew 29 33Don't have a curfew 61 77(a) What percentage of the students have a curfew? %(b) What percentage of the students don't have chores? %(c) What percentage of the students who don't have chores have a curfew? %(d) Is there evidence that students who don't have chores tend to have a curfew more often than average? No, because the percentage found in part (c) is about the same as the percentage found in part (a). No, because the percentage found in part (c) is about the same as the percentage found in part (b). Yes, because the percentage found in part (c) is much greater than the percentage found in part (a). Yes, because the percentage found in part (c) is much greater than the percentage found in part (b).ExplanationCheck

Out of 80 families in a small grouped society; 60 preferred open parking, 53 preferred basement parking, and 35 preferred both parking. Find the number of families that do not take any parking.Question 19Answera.8b.25c.7d.2Clear my choice

A consumer survey was conducted to examine patterns in ownership of tablet computers, cellular telephones, and Blu-ray players. The following data were obtained: 315 people had tablet computers, 236 had cell phones, 269 had Blu-ray players, 69 had all three, 64 had none, 94 had cell phones and Blu-ray players, 57 had cell phones but no computers or Blu-ray players, and 108 had computers and Blu-ray players but no cell phones. (Round your answers to one decimal place.)(a) What percent of the people surveyed owned a cell phone? %(b) What percent of the people surveyed owned only a cell phone?

In a survey, 100 people were asked if they smoke and whether or not they exercise regularly (more than twice a week). The results are summarized in the table below.  Smoke Do not smokeExercise regularly 3 19Do not exercise regularly 21 57(a) What percentage of the people smoke?(b) What percentage of the people exercise regularly?

A city planner surveyed 151 residents. For each, the planner recorded whether the resident owns a car and whether the resident lives alone. The results are summarized in the table below.AloneNot aloneCar9 48No car28 66Suppose a resident from the survey is chosen at random.Answer each part. Do not round intermediate computations, and round your answers to the nearest hundredth.(If necessary, consult a list of formulas.)(a)What is the probability that the resident does not own a car and lives alone?(b)What is the probability that the resident does not own a car or lives alone?