Question

What is the probability that the number of flaws exceeds its mean value by more than one standard deviation?​

Answer 1

Answer:

If you want a "greater-than" probability — that is, p(X > b) — take one minus the result from Step 4. If you need a "between-two-values" probability — that is, p(a < X < b) — do Steps 1–4 for b (the larger of the two values) and again for a (the smaller of the two values), and subtract the results.

Hope it helps.

✌️Santa19 ✌️