OpenStax, Introductory Business Statistics 2e §3.3 Two Basic Rules of Probability · Try It 6 · Probability · Counting & chance

Two Basic Rules of Probability · Try It 6

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′).
(b) Find P(D $\cap$ B).
(c) Find P(B $∣$ D).
(d) Find P(D $\cap$ B′).
(e) Find P(D $∣$ B′).

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OpenStax, Introductory Business Statistics 2e · §3.3 Two Basic Rules of Probability · Try It 6

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