Solve the following questions appropriately.

In an investigation into the effectiveness of car seat belts, 292 accident victims were classified according to the severity of their injuries and whether they were wearing a seat belt at the time of the accident. The results were as follows: Wearing a seat belt Not wearing a seat belt Death 47 Severe injury 78 32 Minor injury 103 29 Determine whether the severity of injuries sustained is dependent on whether the victims are wearing a seat belt.3. Solve the following constrained optimization problem: 1 MAX -T - y. subject to: or + exp (-r) + 2'Sy, x20, and find optimal (x, y, =).The force of interest at time / is given by: 0.01 +0.01 051