OpenStax, Contemporary Mathematics §8.6 The Normal Distribution · Example 2 · Statistics · Normal distribution
The Normal Distribution · Example 2
(a) If data are distributed normally with mean 100 and standard deviation 20, between what two values will 68% of the data fall?
(b) If data are distributed normally with mean 0 and standard deviation 15, between what two values will 95% of the data fall?
(c) If data are distributed normally with mean 14 and standard deviation 2, between what two values will 99.7% of the data fall?
OpenStax, Contemporary Mathematics · §8.6 The Normal Distribution · Example 2
Stuck? A gentle nudge
No hints for this one.
Your working
Check your full solution
Upload photos of your handwritten work or a PDF, and Lemma will read it and tell you whether it's right — and where it first goes wrong if not.