Answer:
554.5
Step-by-step explanation:
Step 1: Write the formula for midpoint
Midpoint = beginning value + ending value ÷ 2
Step 2: Write the data
Beginning value = 550
Ending value = 559
Midpoint = ?
Step 3: Apply the data in the formula
Midpoint = beginning value + ending value ÷ 2
Midpoint = (550 + 559) ÷ 2
Midpoint = 554.5
Therefore, the midpoint of the FICO score interval 550-559 is 554.5
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