hotgalbaby1 hotgalbaby1

05-07-2020
Mathematics

contestada

I NEED HELP !!! If the probability of an event is StartFraction 2 over 7 EndFraction, what must be the probability of its complement?
StartFraction 1 over 7 EndFraction
StartFraction 2 over 7 EndFraction
StartFraction 4 over 7 EndFraction
StartFraction 5 over 7 EndFraction

Respuesta :

billyjoe17 billyjoe17

05-07-2020

Answer:

The answer is StartFraction 5 over 7 EndFraction

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altavistard altavistard

05-07-2020

Answer:

The probability of the complement of the original event is 5/7.

Step-by-step explanation:

The probability of the complement of an event is 1 less the probability of the event, so

We get: 1 - 2/7, or 5/7

The probability of the complement of the original event is 5/7.

Note that 5/7 and 2/7 add up to 7/7, or 1.

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