Hi can anyone help me on this question I keep getting it wrong. Thank you!

Thickness measurements of ancient prehistoric Native American pot shards discovered in a Hopi village are approximately normally distributed, with a mean of 5.2 millimeters (mm) standard deviation of 0.8 mm. What percent (%) of ancient prehistoric Native American pot shards discovered in this area has thickness measurement thinner than 3.6. 0.02275 Points possible: 5 Unlimited attempts. Score on last attempt: 0. Score in gradebook: 0 Message instructor about this question Submit When you are done, click here to see a summary of your scores