Lemma
MediumSampling distributions
OpenStax, Introductory Statistics 2e §7.3 Using the Central Limit Theorem · Exercise 30 · Statistics · Sampling distributions

Using the Central Limit Theorem · Exercise 30

The time to wait for a particular rural bus is distributed uniformly from zero to 75 minutes. One hundred riders are randomly sampled to learn how long they waited.

The 90^th percentile sample average wait time (in minutes) for a sample of 100 riders is:

(a) 315.0
(b) 40.3
(c) 38.5
(d) 65.2

~8 minWritten answer · compare with the solution

OpenStax, Introductory Statistics 2e · §7.3 Using the Central Limit Theorem · Exercise 30

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.