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In 2016, 70% of households in the Philippines had broadband internet. Choose 3 households at random. Find the probability that: a. None of the 3

In 2016, 70% of households in the Philippines had broadband internet. Choose 3 households at random. Find the probability that:

a. None of the 3 households had broadband internet

b. All 3 households had broadband internet

c. At least 1 out of 3 households had broadband internet

Please show solution and formula. Thanks

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