32, 60, 68
Hope this helps
2.6
Explanation:
The square root of 7 is 2.6 .
Answer:
Step-by-step explanation:
Given that X is N(50,3)
So whenever we want score for x, we can convert this to Z and use std normal distribution table.
The formula for conversion is

Using this we can find out the corresponding scores
a) 
Z value = 1 and hence

b) 

c) 
d) 
e) 10th percentile is 
f) This is 99th percentile
=