Find a confidence interval for ? assuming that the sample is from a normal population with unknown population standard deviation.

x = 35, s = 10, n = 16, 95 percent confidence
a) (28.822 , 40.623)
b) (29.671 , 40.329)
c) (29.724 , 41.825)
d) (24.626 , 40.270)

B. (29.671 , 40.329)