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Bumek [7]
3 years ago
15

Help me i need this please

Mathematics
1 answer:
Arte-miy333 [17]3 years ago
8 0

Answer:

B.

Step-by-step explanation:

P(something not happening)+P(something happening)=1 or 100%.

So if we have

P(something not happening)+40%=100%

Then the P(something not happening)=60% since 60%+40%=100%.

Yes I was using the event="something not happening" as the complement of something happening.

In fancy notation, some people might write:

P(A)+P(A')=1

or

P(A)+P(A^c)=1

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Read 2 more answers
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Answer:

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