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Verified Answer :

Greenleafable

The correct answer is 1/6

That's because you get that number after you divide the total number of outcomes with the number of events with a certain outcome, which in this case is 1/6.

Answer:

The expected probability of an event is close to:

1/6

Step-by-step explanation:

It is given that:

In 3 billion repetitions of an experiment, a random event occurred in 500 million cases.

We know that:

1 billion is equal to 1000 million.

( Since 1 billion=10^9

and 1 million =10^6

Hence 1 billion=10^3 million)

Hence, 3 billion=3000 million.

Hence, the probability of the event is the ratio of how many times it occurred to the number of times an experiment has been performed.

Hence, the probability is calculated as:

\(Probability=\dfrac{500}{3000}\\\\Probability=\dfrac{5}{30}\\\\Probability=\dfrac{1}{6}\)

Hence, the probability of an vent is:

1/6

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