1. A group os students were asked if they carry a credit card. The responses are listed below:
Freshman-- 24(CC Carrier)--36(Not a CC Carrier)--Total(60)
Sophmore--37(CC Carrier)--3 (Not a CC Carrier)--Total(40)
Total----------61(CC Carrier)-39(Not a CC Carrier)--Total(100)
If a student is selected at random, find the probability that he or she owns a credit card given that the student is a freshman. Round your answer to three decimal places.
A. 0.400
B. 0.600
C. 0.240
D. 0.393
2. Classify the events as dependent or independent. Events A and B where P(A)=0.8, P(B)=0.1, and P(A and B)=0.07
A. dependent
B. Independent
3. You are dealt two cards successively without replacement from a standard deck of 52 playing cards. Find the probability that the first card is a two and the second card is a ten. Round your answer to three decimal places.
A. 0.006
B. 0.250
C. 0.500
D. 0.994
2007-10-12
18:38:43
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2 answers
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asked by
wobble692001
1
in
Science & Mathematics
➔ Mathematics