suamy2003cruz suamy2003cruz
  • 30-11-2022
  • Mathematics
contestada

A test taken by a class of 40 people has an average score of 68 with a standard deviation of 6.2
1. What percentage of students scored lower than 68? 2. What percentage of students scored above 80?
3. What percentage of students got an F?
4. What percentage of students got a C?
5. How many students got a passing grade?

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