A professor at a local community college noted that the grades of his students were normally distributed with a mean of 74 and a

Question

3 years ago

14

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:

denis-greek [22] · Answer 1 · 2022-09-17T12:06:18+03:00

6 0

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