D Question 11 2 pts A random sample of size 100 has been taken from a large population where it is known that the standard deviation o = 5; in that sample , the sample mean x = 50. Find a 95% confidence interval for the population mean /. O (48.71, 51.29) O (47.35, 49.46) O (49.02, 50.98) O (40.2, 59.8)