(29) For the following experiments, compute the 95% confidence intervals and determine whether the data comes from the stated population.

a. X = {3, 2.3, 4.5, 1.2, 5.6, 2.3, 4.5},μ = 3.

b. ˆμ = 4.2, ˆσ = 1.2, n = 100,μ = 3.

c. ˆμ = 0.2, ˆσ = 5, n = 10,μ = 3.

d. ˆσ = 1.5, n = 10, σ = 5.