+0  
 
+1
84
1
avatar+10 

The lengths of turtles in a park are normally distributed with a mean of 23.2 inches and a standard deviation of 5.6 inches. What is the percentile rank of a turtle whose length is 15 inches?

 

4%

7%

27%

37%

 Feb 17, 2020
 #1
avatar+109740 
+2

[ 15 - 23.2 ] / 5.6  = z score =  -1.46  

 

The percentile associated with this z score is  ≈  7.2%   =  7% (rounded)

 

 

 

cool cool cool

 Feb 17, 2020

51 Online Users

avatar
avatar
avatar
avatar
avatar