Find the product 2/11+3/11x2/9

Create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1.

Solve the problem by making up an equation. a man could arrive on time for an appointment if he drove the car at 40 mph; however, since he left the house 15 minutes late, he drove the car at 50 mph and arrive 3 minutes early for the appointment. how far from his house was his appointment?

Is experimental probibilty the same as the observed frequency in math? i need the answer asap!