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0 votes
1 answer
9082
probability of picking red ball
A bin contains two red balls and one white ball. The probability of picking the balls is equally likely. Two balls are taken without replacement. What is the probability of getting two red balls.
A bin contains two red balls and one white ball. The probability of picking the balls is equally likely. Two balls are taken without replacement. What is the probability...
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3 votes
4 answers
9083
maximum number of edges in a graph with components
A graph G have 9 vertices and two components. What is the maximum number of edges possible in this graph?
A graph G have 9 vertices and two components. What is the maximum number of edges possible in this graph?
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4 votes
4 answers
9084
graph coloring
What is the minimum number of colors needed to color a graph with five vertices. The graph contain a cycle also
What is the minimum number of colors needed to color a graph with five vertices. The graph contain a cycle also
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1 votes
2 answers
9086
set
identity element for (N,+) ,(N ,*) , (Z,* ) ,(R,*) exists? where R=real no N =natural no Z=integer
identity element for (N,+) ,(N ,*) , (Z,* ) ,(R,*) exists?where R=real noN =natural noZ=integer
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1 votes
2 answers
9087
set
set (N,*) , (Z,*) closed or not ?
set (N,*) , (Z,*) closed or not ?
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1 votes
1 answer
9088
set
How to check a set of (N , +) ,(N, *) , (Z, +) , (Z,*) is countable or not?
How to check a set of (N , +) ,(N, *) , (Z, +) , (Z,*) is countable or not?
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1 votes
1 answer
9089
I can't really understand the difference between the two statements : a)for all x(C(x)->F(x)) b)there exists x(C(x)->F(x)) C(x)=x is a comedian F(x)=x is funny
I can't really understand the difference between the two statements :a)for all x(C(x)->F(x))b)there exists x(C(x)->F(x))C(x)=x is a comedianF(x)=x is funnythe domain cons...
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0 votes
1 answer
9095
how many distinct question paper can be set with 10 questions which have four choices and there is only one correct answer per questions.
how many distinct question paper can be set with 10 questions which have four choices and there is only one correct answer per questions.
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0 votes
1 answer
9099
Regression Lines
Q-1 If y=x+1 and x=3y-7 are 2 regression lines Then x bar(mean for x values) and y bar(mean for y values) are respectively a)2,3 b)2,2 c)3,2 d)0,1 Q-2 Regression equations are x=4-0.2y and y=7-0.8x then value of correlation coefficient is a)0.4 b)-0.4 c)0.16 d)-0.16
Q-1 If y=x+1 and x=3y-7 are 2 regression linesThen x bar(mean for x values) and y bar(mean for y values) are respectivelya)2,3 b)2,2 c)3,2 d)0,1Q-2 Regression equations a...
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0 votes
1 answer
9100
Probability
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