Digital SAT Math Practice Question #2487
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Desmos / Statistical Reason: Filter conditional probability denominators carefully — 'out of what total' is always the key.
Total boys $= 20 + 30 = 50$. Sophomore boys $= 30$. Fraction $= 30 / 50 = 3/5$....
Distractor Analysis: Trap choice eliminates careless test-takers who confuse roots with coordinates...
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