Monday

September 22, 2014

September 22, 2014

Posted by **Jessica** on Friday, February 11, 2011 at 12:19am.

The time per workout an athlete uses a stairclimberis normally distributed with a mean of 20 mins and a standard deviation of 5 min. An athlete is randomly selected. Find the probability that the athlete uses a stairclimber between 20 and 28 mins.

- statistics -
**PsyDAG**, Friday, February 11, 2011 at 10:49amZ = (score-mean)/SD

Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion between the Z scores.

**Answer this Question**

**Related Questions**

statistics - Can you please tell me how to solve for the following? Pedro took ...

physics - An athlete prepares for practice by walking 820 m in 10.3 min and ...

probability - 1. The time it takes a student to cycle to school is normally ...

college physics - One athlete in a race runnng on a long, straight track with a ...

Statistics - The time per week a student uses a lab computer is normally ...

Physics - An athlete running on curved track with 15 m radius and with speed of ...

algebra - Heart Rate An athlete starts running and continues for 10 seconds. The...

Chemistry - During a strenous workout, an athlete generates 1890.0 kj of heat ...

Chemistry - During a strenous workout, an athlete generates 1890.0 kj of heat ...

Chemistry HELP!! - During a strenous workout, an athlete generates 1890.0 kj of ...