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Recent questions tagged p285
ASK
True or False: If A and B are two independent events then P(A and B)=P(A).P(B).
cbse
class12
ch13
q98
p285
true-or-false
exemplar
concepts
math
sec-a
asked
Jan 10, 2013
by
sreemathi.v
1
answer
True or False: Two independent events are always mutually exclusive.
cbse
class12
ch13
q97
p285
true-or-false
exemplar
concepts
math
sec-a
asked
Jan 10, 2013
by
sreemathi.v
1
answer
True or False: If A and B are mutually exclusive events,then they will be independent also.
cbse
class12
ch13
q96
p285
true-or-false
exemplar
sec-a
easy
math
asked
Jan 10, 2013
by
sreemathi.v
1
answer
True or False: If A and B are independent events,then A and B are also independent.
cbse
class12
ch13
q95
p285
true-or-false
exemplar
easy
sec-a
math
asked
Jan 10, 2013
by
sreemathi.v
1
answer
True or False: Let P(A)>0 and P(B)>0.Then A and B can be both mutually exclusive and independent.
cbse
class12
ch13
q94
p285
true-or-false
exemplar
concepts
math
sec-a
asked
Jan 10, 2013
by
sreemathi.v
1
answer
A box has 100 pens of which 10 are defective.What is the probability that out of sample of 5 pens drawn one by one with replacement at most one is defective?
cbse
class12
ch13
q93
p285
objective
exemplar
sec-a
easy
math
asked
Jan 10, 2013
by
sreemathi.v
1
answer
A and B are two students.Their chances of solving a problem correctly are $\Large\frac{1}{3}$ and $\Large\frac{1}{4}$,respectively.If the probability of their making a common error is ,$\Large\frac{1}{20}$ and they obtain the same answer,then the probability of their answer to be correct is
cbse
class12
ch13
q92
p285
objective
exemplar
sec-a
easy
math
asked
Jan 10, 2013
by
sreemathi.v
1
answer
In a college,30% students fail in physics,25% fail in mathematics and 10% fail in both.One student is chosen at random.The probability that she fails in physics if she has failed in mathematics is
cbse
class12
ch13
q91
p285
objective
exemplar
sec-a
easy
math
asked
Jan 10, 2013
by
sreemathi.v
1
answer
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