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Vinvika [58]
4 years ago
9

A phenomenon is observed many, many times under identical conditions. The proportion of times a particular event A occurs is rec

orded. What does this proportion represent? A. The probability of the event A. B. The distribution of the event A. C. The correlation of the event A. D. The variance of the event A.
Social Studies
1 answer:
timurjin [86]4 years ago
8 0

Answer:

The probability of an event

Explanation:

The probability of an event :

Suppose an event called E occur in r ways out of the n possibilities

Probability of happening of events are  

P(E)= r÷n  

Non-occurrence chances of an event are  

-

P(E) = n-r ÷n =1-r÷n  

Where Bar E indicates that the event does not occur.

P(bar E) +P(E) =1  

Probabilities of event occurances is 1  

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