The times for running a 5K for a local charity event are Normally distributed, with a mean time of 28 minutes and
standard deviation of 5.4 minutes. Which time represents the fastest 4% of runners?
Find the z-table here.
18.55 minutes
19.12 minutes
0 34.92 minutes
0 37.45 minutes
I got the answer right, but if you want the math: you find the z-score of 1.75 on the chart, multiply that by the standard deviation to get 9.45, and then add the mean of 28 to get 37.45 minutes
