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2.4.3 Calculating binomial probabilities

Card 1 of 20

Why can a defective component be labelled a success?

A

Trials become dependent because the success probability changes.

B

P(X=4)P(X=4)P(X=4)

C

A success is the outcome being counted, not necessarily desirable.

D

For integer-valued XXX, an upper-tail probability is calculated using P(X≥r)=1−P(X≤r−1)\boxed{P(X\ge r)=1-P(X\le r-1)}P(X≥r)=1−P(X≤r−1)​.

Card 1 of 20

2.4.3 Calculating binomial probabilities Flashcards

  1. A Level
  2. /Maths
  3. /2.4.3 Calculating binomial probabilities

20 flashcards on OCR A Level Maths 2.4.3 Calculating binomial probabilities: the key formulae, methods and definitions you need to recall for Paper 1, Paper 2 and Paper 3.

Flashcards