Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: Find the z-score for which 80% of the distribution's area lies between -z and z. _____ _____
Right answer summary: part 1: -1.28; part 2: 1.28
Question state: todo
Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: Find the z-score for which 80% of the distribution's area lies between -z and z. _____ _____
Right answer summary: part 1: -1.28; part 2: 1.28
Question state: todo