[Solved] An AI tool ranks schools based on these criteria: tuition cost (weight 30%), faculty quality (weight 50%), and student reviews (weight 20%).... What is School A's weighted score? | AI for Everyone

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An AI tool ranks schools based on these criteria: tuition cost (weight 30%), faculty quality (weight 50%), and student reviews (weight 20%). School A has scores: tuition 80, faculty 90, reviews 70. What is School A's weighted score?

A82

B83

C85

D80

Step-by-Step Solution

Solution:

Step 1: Calculate weighted contributions
Tuition: 80 * 0.3 = 24; Faculty: 90 * 0.5 = 45; Reviews: 70 * 0.2 = 14
Step 2: Sum weighted scores
24 + 45 + 14 = 83
Final Answer:
83 -> Option B
Quick Check:
Weighted sum = 83 [OK]

Quick Trick: Multiply scores by weights, then add [OK]

Common Mistakes:

Adding scores without weights
Using wrong weight percentages
Multiplying weights by 100 instead of decimals

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What is School A's weighted score?

Step 1: Calculate weighted contributions

Step 2: Sum weighted scores

Final Answer:

Quick Check:

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