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2.4.5 Normal distribution as a model (A-level only)

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)​.

2.4.5 Normal distribution as a model (A-level only) Flashcards

  1. A Level
  2. /Maths
  3. /2.4.5 Normal distribution as a model (A-level only)

Flashcards for OCR A Level Maths 2.4.5 Normal distribution as a model (A-level only), covering the key formulae, methods and definitions you need to recall for Paper 1, Paper 2 and Paper 3. 21 cards, matched to the OCR A Level Maths (H240) specification. Recall questions account for roughly 50% of marks at A Level Maths, so these target the marks you can secure before the paper starts.