A professor at a local community college noted that the grades of his students were normally distributed with a mean of 74 and a
standard deviation of 10. Students who made 55 or lower on the exam failed the course. What percent of students failed the course?
1 answer:
Answer:
28.72% of students failed the course
Step-by-step explanation:
P(0<X<55) = normalcdf(0,55,74,10) = 0.287164928 = 28.72% of students failed the course
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