Card 1 of 21
For a continuous random variable, what is P(X=x)P(X=x)P(X=x) for any exact value xxx?
A
z=1.5z=1.5z=1.5
B
000
C
The data are positively skewed, not symmetric.
D
The standardised variable follows Z∼N(0,1)\boxed{Z\sim N(0,1)}Z∼N(0,1).
Card 1 of 21
2.4.5 Normal distribution as a model (A-level only) Flashcards
21 flashcards on OCR A Level Maths 2.4.5 Normal distribution as a model (A-level only): the key formulae, methods and definitions you need to recall for Paper 1, Paper 2 and Paper 3.