IB Questionbank Test
The candidates’ marks in the Physics examination are normally distributed with a mean of and a standard deviation of . Hee Jin also scored marks in the Physics examination. Determine whether Hee Jin’s Physics mark, compared to the other candidates, is better than her mark in Chemistry. Give a reason for your answer. 3f. [3 marks] To obtain a “grade A” a candidate must be in the top of ... ................
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