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by daivinhtran
Sat Apr 09, 2011 1:48 am
Forum: Discrete Math
Topic: find prob. rand. student member of band if also in pep club
Replies: 1
Views: 1953

find prob. rand. student member of band if also in pep club

Independent Events Math?

The band at Junior High School has 25 members and the pep club has 18 members. Seven students belong to both groups. Find the probability that a randomly selected student is a member of the band if he/she is also in the pep club
by daivinhtran
Sat Apr 09, 2011 1:42 am
Forum: Discrete Math
Topic: Probability: what is difference between two Q's?
Replies: 2
Views: 2763

Re: Probability: what is difference between two Q's?

....................Male ......Female ....Total Algebra...........21..........13____....34 Geometry.......34 ____..... 26 ___....60 Total............55_____......39____...94 The question is 1,What is the probability that a student is male given that he prefers Algebra? 2,Find the probability of sel...
by daivinhtran
Fri Apr 08, 2011 7:50 pm
Forum: Discrete Math
Topic: Probability: what is difference between two Q's?
Replies: 2
Views: 2763

Probability: what is difference between two Q's?

Probability Math ??? ....................Male ......Female ....Total Algebra...........21..........13____....34 Geometry.......34 ____..... 26 ___....60 Total............55_____......39____...94 The question is 1,What is the probability that a student is male given that he prefers Algebra? 2,Find th...
by daivinhtran
Mon Mar 28, 2011 11:55 pm
Forum: Discrete Math
Topic: MAth Problem ??? Probability??? Help me, please ???
Replies: 1
Views: 2425

MAth Problem ??? Probability??? Help me, please ???

1/ 2 heads or 2 tails appearing in 2 tosses of a coin. 2/ 3 heads or 2 tails appearing in 3 tosses of a coin. 3/ at least 2 heads appearing in 3 tosses of a coin. 4/ at least 3 heads appearing in 4 tosses of a coin. ------------------------------------------------- And the probabability of obtaining...

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