33, 36, 37, 38, 38, 39, 42, 42, 43, 43, 44, 44, 44, 45, 45, 45, 45, 46, 46, 47, 47,
48, 48, 49, 49, 51, 51, 52, 54
a. Construct a 95% confidence interval estimate of the mean age of all such
successful people. Think: Do you use a z or t distribution?
33, 36, 37, 38, 38, 39, 42, 42, 43, 43, 44, 44, 44, 45, 45, 45, 45, 46, 46, 47, 47, 48, 48, 49, 49, 51, 51, 52, 54 a.
-
- Site Admin
- Posts: 899603
- Joined: Mon Aug 02, 2021 8:13 am