miaemily982 miaemily982
  • 25-04-2021
  • SAT
contestada

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 AND B).
c. Find P(B|D).
d. Find P(D AND B′).
e. Find P(D|B′).

Respuesta :

uchegloria66
uchegloria66 uchegloria66
  • 25-04-2021

Answer:

b find p(D AND B)

[tex] 0.30 + 0.40 = 0.70 \0.5 = 1.4[/tex]

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