Answer: B
Step-by-step explanation:
4.2 / 0.25 = 21
0.4 · 21 = 8.4
8.4 + 2.5 = 10.9
Answer:50.27
Step-by-step explanation:
Answer:
2
-4
0
Step-by-step explanation:
Just did it
Answer: it is the 4th graph
Step-by-step explanation:
(-3,25)(0,20)(3,16)(6,12.8)
The figure below shows the standard normal distribution or "bell-shaped" curve, plotted against the z-score.
The z-score is defined as
z = (x - μ)/σ
where
x = nrandom variable
μ = mean
σ = standard deviation.
As z-values decrease, areas to the left of z decrease as shown by the shaded area.
Answer:
Areas to the left of z decrease.