The answer is:
P (0 < z < 2.95) = 0.4099
P (0 < z < 1.34) = 0.4984
P (-1.34 < z < 2.95) = P (0 < z < 2.95) + P (0 < z < 1.34)
P (-1.34 < z < 2.95) = 0.4099 + 0.4984
P(-1.34 < z < 2.95) = 0.9083
Hope it helps.
P (0 < z < 2.95) = 0.4099
P (0 < z < 1.34) = 0.4984
P (-1.34 < z < 2.95) = P (0 < z < 2.95) + P (0 < z < 1.34)
P (-1.34 < z < 2.95) = 0.4099 + 0.4984
P(-1.34 < z < 2.95) = 0.9083
Hope it helps.