The running back for the bulldogs football team carried the ball 3 times for a total loss of 6 3/4 yards. find the average change in field position on each run. enter the average change as a simplified mixed number.

F. a fair coin is thrown in the air four times. if the coin lands with the head up on the first three tosses, what is the probability that the coin will land with the head up on the fourth toss? a. 0 b. 1/16 c. 1/8 d. 1/2