OpenStax, Statistics §3.3 Two Basic Rules of Probability · Try It 3 · Probability · Counting & chance
Two Basic Rules of Probability · Try It 3
A student goes to the library. Let events B = the student checks out a book and D = the student checks out a DVD. Suppose that P(B) =.40, P(D) =.30, and P(D|B) =.5.
(a) Find P(B AND D).
(b) Find P(B OR D).
OpenStax, Statistics · §3.3 Two Basic Rules of Probability · Try It 3
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