Question

Please Help, answer 4 and 5

Answer 1

4. P(25-44) = ((# 25-34) +(#35-44))/(total # 15 and older)
.. = (3714 +4074)/(1313 +3714 +4074 +7757 +9747)
.. = 7788/26605
.. ≈ 0.293


5. Prime numbers in the range 2-12 are 2, 3, 5, 7, 11. Their respective probabilities are 1/36, 2/36, 4/36, 6/36, 2/36. The sum of these is 15/36, ≈ 0.417