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Given the condition that you know a student has purchased at least one of the items. What is the probability as a percentage that they purchased only one of the items?

Respuesta :

Manetho

Step-by-step explanation:

This is a case of conditional probability, in which we have to find the probability of ocurance of event E when when event F has already ocured.

To find the probability of at least one of something, calculate the probability of none and then subtract that result from 1.

That is, P(at least one) = 1 – P(none)

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