e0ufarmonJenaStow9ma e0ufarmonJenaStow9ma

04-06-2017
Mathematics

contestada

A coin is tossed 11 times. what is the probability of obtaining exactly 9 heads?

Respuesta :

whassupkingdre whassupkingdre

04-06-2017

binomial distribution...

n=11
p( head) = 0.5

11C9x 0.5^9 x 0.5^2
there you go.

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