A marketing analyst randomly surveyed 150 adults from a certain city and asked which type of tooth paste they were currently usingExtraWhitening or Regular(all chose one of these twotypes). From the results of thissurvey, the analyst obtained the following95% confidence interval for the proportion of all adults in the city who are using Extra Whiteningtoothpaste: (0.52,0.68). What proportion of the 150 adults in the survey said they were using Extra Whiteningtoothpaste?

Choose the correct answer below.

A. Somewhere between 0.52 and0.68, but the exact proportion cannot be determined. B. 0.60 C. 0.646 D. This information cannot be determined from the information given in the problem.