# Running times for 400400 meters are Normally distributed for young men between 1818 and 3030 years of age, with a mean of 9393seconds and a standard deviation of 1616 seconds. Thus, 99.799.7 % of running times are approximately between:

Question
1 views

Running times for 400400 meters are Normally distributed for young men between 1818 and 3030 years of age, with a mean of 9393seconds and a standard deviation of 1616 seconds. Thus, 99.799.7 % of running times are approximately between:

check_circle

Step 1

From the given information, the random variable X as the running times follows normal distribution with mean 93 seconds and the standard deviation is 16 seconds.

Empirical Rule for normal distribution:

• The percentage of values lies between one standard...

### Want to see the full answer?

See Solution

#### Want to see this answer and more?

Solutions are written by subject experts who are available 24/7. Questions are typically answered within 1 hour.*

See Solution
*Response times may vary by subject and question.
Tagged in