Answer:
$3300
Step-by-step explanation:
Mean: (n₁ + n₂ + n₃ + ...)/n
Plug in: (2600 + 3100 + 2800 + 3200 + f)/5 ≥ 3000, where f = sales on Friday
Add: (11700 + f)/5 = 3000
Multiply: 11700 + f = 15000
Subtract: f = $3300
