Question

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(A and B)= 0.20. 

 

A. Find P(B|D). 

B. Find P(D|B). 

C. Are B and D independent?

D. Are B and D mutually exclusive?  

Try It Σ
3.10 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(B AND D)0.20.
a. Find P(B|D).
b. Find P(DIB)
c. Are B and D independent?
d. Are B and D mutually exclusive?

Image Transcription

Try It Σ 3.10 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(B AND D)0.20. a. Find P(B|D). b. Find P(DIB) c. Are B and D independent? d. Are B and D mutually exclusive?

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