Question 1: Short answer
easyAI-checkedProbabilityScores on a test section are nearly normal with mean 153 and standard deviation 7.67. What score marks the 80th percentile?
2 questions from Probability
2 questions · 2 min · score and explanations at the end
Scores on a test section are nearly normal with mean 153 and standard deviation 7.67. What score marks the 80th percentile?