20 people play a game at a school fete. The probability that exactly n people win a...
Question:
20 people play a game at a school fete. The probability that exactly n people win a prize is modelled as
where p is the probability of any one person winning.
Calculate the probability of:
a. 5 people winning when p = 1/2
b. Nobody winning when p = 0.7
c. 13 people winning when p = 0.6
Give your answers to 3 significant figures.
Transcribed Image Text:
(²0)p²(1 − p)20-n,
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Related Book For
Edexcel AS And A Level Mathematics Pure Mathematics Year 1/AS
ISBN: 9781292183398
1st Edition
Authors: Greg Attwood
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