x=3-0

. What percentage of the area under the normal curve lies to the left of (
16.0%
15.80%
2.50%
0.50% having trouble with this my answer was 15.00%
0.15%

x = 3 - 0 = 3

Unless I don't understand you question, 16.0% of the normal distribution lies to the left (below) 16.0%. The same is true of the other percentages.