Need Help in the following multiple choice select the correct

Raj is analvsing Segment qualities of two T'v programs, Short Land Street {population 1) and Hawaii Five D (population 2). Past examinations show no distinction in the ages of the two crowds. [The mean age of everyr crowd is the equivalent}. His staff randomly.r selected me people from each audience, and reported the following: i1 = 43 davs and 5:; = 45davs. Assume that or] = 5 and Hg 2 8. With a twotail test and [I = 0.05, the observed zvalue is Select one: C) A. 15.38 C) E. 2.25 O C. 5.58 O D. 2.12