APFIVE Ordering Z-Scores from Cumulative Probabilities
The TI-84 calculator’s invNorm function returns the z-score corresponding to a given cumulative probability for the standard normal distribution. Consider the following commands:
A: invNorm(0.05) returns approximately $$-1.645$$.
B: invNorm(0.10) returns approximately $$-1.282$$.
C: invNorm(0.50) returns exactly $$0$$.
D: invNorm(0.90) returns approximately $$1.282$$.
Rank these commands in order of increasing z-scores (from lowest z-score to highest z-score). Express your answer as an ordering of the command labels (for example, “A, B, C, D”).
A
B, A, D, C
B
A, C, B, D
C
C, B, A, D
D
A, B, C, D
Question Leaderboard
Not enough data yet to show leaderboard.