Recent questions tagged goclasses-da-dpp-day-158

2 2 votes
2 2 answers
223
223 views
A class has $120$ students. There are $64$ students in club $C$, $58$ students in club $T$, and $52$ students in club $M$. Also, $30$ students are in both $C$ and $T$, $2...
1 1 vote
1 1 answer
168
168 views
In a professional league, $60%$ of players are in Group A and $40%$ are in Group B. In Group A, $2%$ actually use an illegal drug, $8%$ use a legal supplement that can af...
3 3 votes
1 1 answer
168
168 views
You have three six-sided dice. Die $D_1$ has $1$ red face and $5$ black faces, die $D_2$ has $3$ red faces and $3$ black faces, and die $D_3$ has $5$ red faces and $1$ bl...
2 2 votes
1 1 answer
150
150 views
There are $12$ cards in a hat. For each rank $1,2,3,4$, there are exactly $3$ cards of that rank. You draw one card at random. If the first card has rank $1$, you draw $1...
1 1 vote
1 1 answer
160
160 views
Suppose $Z_1,Z_2,Z_3,Z_4$ are i.i.d.(independent & identically distributed) Bernoulli random variables with parameter $p=\frac12$.The random variable, $S=Z_2Z_3+Z_4$ if $...
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