Given a random sample of size 24 from a normal distribution, find k such that
(a) P(-2.069 < t < k) = 0.965
(b) P(k < t < 2.807) = 0.095
(c) P(-k < t < k) = 0.90

a) k = 2.069
b) k = 1.710
c) k = 1.961
d) k = 2.807