OpenStax, Introductory Business Statistics 2e §3.3 Two Basic Rules of Probability · Try It 4 · Probability · Counting & chance

Two Basic Rules of Probability · Try It 4

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) = 0.40, P(D) = 0.30 and P(D $∣$ B) = 0.5.

(a) Find P(B $\cap$ D).
(b) Find P(B $\cup$ D).

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OpenStax, Introductory Business Statistics 2e · §3.3 Two Basic Rules of Probability · Try It 4

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