OpenStax, Statistics §11.2 Goodness-of-Fit Test · Example 5 · Statistics · Chi-square tests

Goodness-of-Fit Test · Example 5

Suppose you flip two coins 100 times. The results are 20 HH, 27 HT, 30 TH, and 23 TT. Are the coins fair? Test at a 5 percent significance level.

Its source prints no answer for this problem, so there's nothing to check against.

~5 minWritten answer · compare with the solution

OpenStax, Statistics · §11.2 Goodness-of-Fit Test · Example 5

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.