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C

Probability Calculator

Union, intersection, conditional.

Probability (independent A, B)

P(A ∩ B)
0.150000
P(A ∪ B)
0.650000
P(not A)
0.500000
Neither
0.350000

About the Probability Calculator

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Union, intersection, conditional. Use this free probability calculator to get instant results. All calculations run in your browser — nothing is sent to a server.

Frequently asked questions

What does this Probability Calculator do?

Union, intersection, conditional.

Is it free?

Yes — every calculator on Calcly is free, with no sign-up or account required.

Does it work offline?

The site is a Progressive Web App — after your first visit, most pages work without an internet connection.