Answer:
a)
=0.89
b) 0.8413
Step-by-step explanation:
we know that




x - N(150, 20^2)

check

Answer:
x=12
Step-by-step explanation:
(X-8)/7=2
X-8=14
X=22
Answer:
good one
Step-by-step explanation:
what shape is this
I cant answer it if there's no shape in the question