Answer:
Step-by-step explanation:
sin θ = 9 / 36 = 1/4
θ = 14.48 deg (ans C)
c=2(3.14)r
r= 5inches
c=2•3.14•5
c=31.4 inches
We use the equation , where , , , and . We obtain from the z-score of a 0.97 confidence level.