Explain how the complement can be used to find the probability of getting at lea

Question

Explain how the complement can be used to find the probability of getting at least one item of a particular type. Choose the correct answer below. The complement of "at least one" is "all." So. the probability of getting at least one item is equal to 1 - P(all items). The complement of "at least one" is "none." So. the probability of getting at least one item is equal to P(none of the items) - 1. The complement of "at least one" is "none." So, the probability of getting at least one item is equal to 1 - P(none of the items). The complement of "at least one" is "all." So. the probability of getting at least one item is equal to P(all items) - 1.

Explanation / Answer

Solution:

OptionC

Explanation:

The complement of at least one is "None"

sum of total probabilities of event and complimentray event=1

P(Event)+P(complimentary event)=1

P(at least one) + P(none) =1

therefore P(at least one) =1-P(none)

From options it is C

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