Thickness measurements of ancient prehistoric Native American potshards discover
ID: 2919265 • Letter: T
Question
Thickness measurements of ancient prehistoric Native American potshards discovered in a Hopi village are approximately normallydistributed, with a mean of 5.5millimeters (mm) and a standard deviation of 1.2 mm. For a randomly found shard, find thefollowing probabilities. (Use 4 decimal places.) (a) the thickness is less than 3.0 mm1
(b) the thickness is more than 7.0 mm
2
(c) the thickness is between 3.0 mm and 7.0 mm
3 (a) the thickness is less than 3.0 mm
1
(b) the thickness is more than 7.0 mm
2
(c) the thickness is between 3.0 mm and 7.0 mm
3