Solve the Problem. -Scores on a Test Are Approximately Normally Distributed with a Distributed
Multiple Choice
Solve the problem.
-Scores on a test are approximately normally distributed with a mean of 70 and a standard deviation of 9. The teacher wants to give A's to the top 10% of students and B's to the next 23%. What is the
Bottom cutoff for a B grade? Round your answer to the nearest whole number.
A) 71
B) 74
C) 66
D) 76
Correct Answer:
Verified
Correct Answer:
Verified
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