Provide an Appropriate Response$1.2$ Minutes If Data Were Collected from 50 Randomly Selected Walks

Question

Examlex · Accepted Answer

The Answer is By the Central Limit Theorem, the sampling distribution of

\bar { x }

is approximately normal with

\mu _ { x } ^ { - } = \mu = 17

minutes and

\sigma _ { x } ^ { - } = \frac { \sigma } { \sqrt { n } } = \frac { 1.2 } { \sqrt { 50 } } = 0.1697

minutes.

Provide an Appropriate Response $1.2$ Minutes If Data Were Collected from 50 Randomly Selected Walks