(Step-by-Step) [5+5 = 10 pts] Scores on an examination are assumed to be normally distributed with mean 78 and variance 36. Suppose that students scoring
Question: [5+5 = 10 pts]
Scores on an examination are assumed to be normally distributed with mean 78 and variance 36.
- Suppose that students scoring in the tip 10% of this distribution are to receive an A grade. What is the minimum score a student must achieve to earn an A grade?
- What must be the cutoff point for passing the examination if the examiner wants only the top 28.1% of all scores to be passing?
Deliverable: Word Document 
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