3 years ago

Please Please Help thanks

1 answer:

Ilya [14]3 years ago

6 0

That is C 180 times all the numbers

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shepuryov [24]

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Step-by-step explanation:

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Viktor [21]

Solution :

Let X denotes the number of the households tha have a cable TV.

Percentage of household that have a cable TV = 85 %

$X \sim \text{Binomial}(6, 0.85)$

Here, we can see that each of the observations is independent and the number of the observations is fixed, n.

The probability of the success P is the same for each of the outcomes.

Therefore,

$P(X=4)= \binom{6}{4}0.85^40.15^2$

= 0.08324

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3 years ago