At a store that has 1500 CD's and 980 DVD's in stock, 10 of the CD's...
At a store that has 1500 CD's and 980 DVD's in stock, 10 of the CD's and 4 of the DVD's are known to have a scratch on them. If a customer picks a disk at random, what is the probability that it will be
(a) a DVD or scratched?
(b) a CD or not scratched?
(c) a DVD or a CD?
Explain work.
Homework Answers
A) P(DVD or scratch) = 990/2480 =0.399
B) P( CD or not scratch ) = 2476/2480 = 0.998
C) P( CD or DVD) = 1
Solution file is attached go through it
Thanks
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