OpenStax, Introductory Statistics 2e §6.1 The Standard Normal Distribution · Exercise 21 · Statistics · Normal distribution

The Standard Normal Distribution · Exercise 21

Suppose X ~ N(8, 9). What value of x is 0.67 standard deviations to the left of the mean?

~8 minWritten answer · compare with the solution

OpenStax, Introductory Statistics 2e · §6.1 The Standard Normal Distribution · Exercise 21

Stuck? A gentle nudge

No hints for this one.

Something off?

Workspace

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.