See what we can offer to your school
"SimpleStudy just makes sense...”
Get the best plan for your school
12 questions from this quiz
Cumulative probability
Z=X−μσZ = \frac{X - \mu}{\sigma}Z=σX−μ
The mean
The standard deviation
1.3
0.06
Area under curve to the left
P(Z>z)=1−P(Z≤z)P(Z > z) = 1 - P(Z \leq z)P(Z>z)=1−P(Z≤z)
P(Z≤b)−P(Z≤a)P(Z \leq b) - P(Z \leq a)P(Z≤b)−P(Z≤a)
0.05
0.7734
0.7745
Select your subjects, and get access to A+ resources today.