Choose the one alternative that best completes the statement or answers the question. Find the number of successes x suggested by the given statement. Among 660 adults selected randomly from among the residents of one town, 30.2% said that they favor stronger gun-control laws.

Choose the one alternative that best completes the statement or answers the question. Find the number of successes x suggested by the given statement. Among 1400 randomly selected car drivers in one city, 8.29% said that they had been involved in an accident during the past year.

Construct the indicated confidence interval for the difference between population proportions p1−p2. Assume that the samples are independent and that they have been randomly selected. x1= 22, n1= 38 and x2= 31, n2= 52; Construct a 90% confidence interval for the difference between population proportions p1−p2.

Construct the indicated confidence interval for the difference between population proportions p1−p2. Assume that the samples are independent and that they have been randomly selected. x1= 36, n1= 64 and x2= 47, n2= 71; Construct a 95% confidence interval for the difference between population proportions p1−p2.

Construct the indicated confidence interval for the difference between population proportions p1−p2. Assume that the samples are independent and that they have been randomly selected. A marketing survey involves product recognition in New York and California. Of 558 New Yorkers surveyed, 193 knew the product while 196 out of 614 Californians knew the product. Construct a 99% confidence interval for the difference between the two population proportions.

Construct the indicated confidence interval for the difference between population proportions  p1−p2.  Assume that the samples are independent and that they have been randomly selected. In a random sample of 300 women, 49% favored stricter gun control legislation. In a random sample of 200 men, 28% favored stricter gun control legislation. Construct a 98% confidence interval for the difference between the population proportions p1−p2.