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rosijanka [135]
3 years ago
6

The theoretical probability of choosing Event A is 2

Mathematics
1 answer:
Crazy boy [7]3 years ago
8 0

Answer: \dfrac{5}{7}

Step-by-step explanation:

Given

The theoretical probability of choosing an event  A is \dfrac{2}{7}

The sum of the probability of occuring and non-occuring of an event is always equal to 1.

So, the probability of non choosing Event A is

\Rightarrow 1-\dfrac{2}{7}\\\\\Rightarrow \dfrac{7-2}{7}\\\\\Rightarrow \dfrac{5}{7}

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Notice that this equation can also be written in an equivalent form by multiplying both sides of the equal sign by "3", which allows us to write it without denominators:

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