Skip to main content
Grade 12

Grade 12 Normal Distribution Worksheet

Apply the 68-95-99.7 empirical rule to compute normal-distribution probabilities and percentile scores. Free printable worksheet — 20 questions plus a separate answer key. Each sheet is freshly generated, so your kid can practice as many times as they need.

Sign in to print — keeps the answer key out of bot indexes.

Sample questions

Two examples from the Normal Distribution worksheet. Print the full sheet for 20 questions plus an answer key.

  1. Sample 1

    μ=144, σ=17. P(x<178)? (whole percent, use the 68-95-99.7 rule)

    Show answer98
  2. Sample 2

    μ=93, σ=16. P(x<77)? (whole percent, use the 68-95-99.7 rule)

    Show answer16