The table shows a golfer’s scores relative to par for three out of four rounds of a tournament. Scorecard
Round 1 $+1$
Round 2 $-4$
Round 3 $-3$
Round 4 ?
a. What was the golfer’s mean score per round for the first 3 rounds?

The mean score for the first 3 rounds was
.
Question 2
b. The golfer's goal for the tournament is to have a mean score no greater than −3. Describe how the golfer can achieve this goal.