Question

Mama's Italian Restaurant has collected data about customer sauce orders. It calculated that P(marinara) = 0.82, P(alfredo) = 0.76, and P(marinara or alfredo) = 0.96. Determine the P(marinara and alfredo).

0.06
0.14
0.20
0.62

Answer 1

Denote by m for marinara and by a for alfredo and recall the following law:

`P(M\cup A)=P(M)+P(A)-P(M\cap A)`
Therefore

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The correct answer is the last one.