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A dump of our free Chat sessions, in case it is useful. It excludes white boards used during paid sessions.





tutor3 : Hello Student, May I help you with your Math problems?
student : yes do you see my problem?
tutor3 : yes the card one right?
student : yes
tutor3 : the answer is C(13,1)*C(26,1)*C(4,1)/C(52,3)=.061
student : ok so where di u get thise numbers
tutor3 : for choosing a diamond i used C(13,1) since there are 13 dimonds in total out of which i choose 1.similarly we choose 1 red card from toatl of 26 red cards and 1 ace from total 4 aces.And since we aree drawing with replacement thus we are denominator as C(52,3) as we have totality of 52 cards
student : ok that makes soem sense thank you
tutor3 : welcome


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