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Sagot :

Data

• 54% prefer candidate A

,

• Poll of 11 voters

,

• Probability that 10 of 11 prefer candidate A.

Procedure

We have to use combination to solve this exercise:

[tex]11C10\times0.54^{10}\times(1-0.54)^{11-10}[/tex]

Simplifying and solving:

[tex]=11\times0.54^{10}\times(0.46)^1[/tex][tex]=11\times0.54^{10}\times0.46[/tex][tex]\approx0.0107[/tex]

Answer: 0.0107