Is the correct solution 46.1 +- 1.6 or something else?

In a survey conducted by the Gallup organization, a random sample of U.S. adults who work full time were asked to report how many hours they worked during the previous week. Based on the results, a 95% confidence interval for the mean number of hours worked is 46.1 + 1.2 hours. Which of the following could be the 99% confidence interval based on the same survey results? O 46.1 + 1.2 O 46.1 + 0.8 O 46.1 + 6.1 O 46.1 + 1.6