25/12.5 = 40/y
cross multiply
(25)(y) = (12.5)(40)
25y = 500
y = 500/25
y = 20 <====
Because the 4 in “ 2468 “ is in the hundreds place & the 4 in “ 3548” is in the tens place.
Answer:
The answer that you are looking for is b
Answer:
,
, 
Step-by-step explanation:
We proceed to derive each expression by rule of chain. Let be
,
,
and
:





(1)





(2)





(3)
Answer:
p(z<0.42) = 0.6628
Step-by-step explanation:
A normal distribution with a mean of 0 and a standard deviation of 1 is called a standard normal distribution. That is to say:
μ = 0
σ² = 1
Using a calculator, we find that:
p(z<0.42) = 0.6628 (See picture attached)