A normal distribution has a mean of 143 and a standard deviation of 12.7.
what is the z score of 165?
1.62
1.73
1.87
2.04
R u doing homework rn cause u r spamming questions and just taking the answers.
[165 - 143] 22
_________ = ____ = 1.73
12.7 12.7
+84 
