Step-by-step explanation:
step 1. a12 = -5(12) + 32
step 2. a12 = -60 + 32
step 3. a12 = -28.
Answer:
15
Step-by-step explanation:
a2+b2=c2
Answer:
(a) -3.708
(b) 1.706
(c) 0.490
Step-by-step explanation:
The z-score of normal distribution is given as:

(a)
Given:
Score is, 
Mean value is, 
Standard deviation is, 
z-score is, 
(b)
Given:
Score is, 
Mean value is, 
Standard deviation is, 
z-score is, 
(c)
Given:
Score is, 
Mean value is, 
Standard deviation is, 
z-score is, 
A + b
= -10 + 4
= 4 - 10
= -6