X,Y,Z XUY=XUZ Continue reading
X,Y,Z XUY=XUZ
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Author Archives: EcoPoint India
show that the following four conditions are equivalent
show that the following four conditions are equivalent Continue reading
A= (A INTERSECTION B) UNION ( A-B) and A UNION (B-A) = A U B
A= (A INTERSECTION B) UNION ( A-B) and A UNION (B-A) = A U B Continue reading
In a commitee some speak english and some french, how many speak atleast one
In a commitee some speak english and some french, how many speak atleast one Continue reading
Introdction to sets
Introdction to sets Continue reading
5 nA=17 nB= 23
5 nA=17 nB= 23 Continue reading
6 out of 400 men 250 speak French and 200 English
6 out of 400 men 250 speak French and 200 English Continue reading
A uniform die is thrown at random. Find the probability that the number on it is
A uniform die is thrown at random. Find the probability that the number on it is Continue reading
The letters in the word failure are arranged at random
The letters in the word failure are arranged at random Continue reading
The letters in the word article are arranged at random
The letters in the word article are arranged at random Continue reading
A bag contains 20 coupons marked with numbers 1-20
A bag contains 20 coupons marked with numbers 1-20 Continue reading
Find the probability that in 5 tossings, a perfect coin turns up head atleast 3
Find the probability that in 5 tossings, a perfect coin turns up head atleast 3 Continue reading
If 6 dice are thrown then the what is the probability of all showing different faces
If 6 dice are thrown then the what is the probability of all showing different faces Continue reading
What is the probability that a non leap year should have fifty three Sundays?
What is the probability that a non leap year should have fifty three Sundays? Continue reading
In a single throw of two uniform die. Find the probability of throwing (i) 4 (ii) 8
In a single throw of two uniform die. Find the probability of throwing (i) 4 (ii) 8 Continue reading
There are 4 clubs on a street. If 3 men walk into the clubs
There are 4 clubs on a street. If 3 men walk into the clubs Continue reading
P(A bar)= 1-P(A)
P(A bar)= 1-P(A) Continue reading
Multiplication theorem for independent events
Multiplication theorem for independent events Continue reading
Theorem: the probability of simultaneous happening of two events
Theorem: the probability of simultaneous happening of two events Continue reading
In a random arrangement of the letters of the word MATHEMATICS
In a random arrangement of the letters of the word MATHEMATICS Continue reading
