Answers

2015-05-04T20:20:03+05:30
1/4 is answer of this question

Dice = {1,2,3,4,5,6}
number of throw =2 means
odd no in dice={1,3,5}
probablity for first throw = n(e)/n(s)=3/6=1/2
probablity for second throw = n(e)/n(s)=3/6=1/2
answer is 1/2*1/2=1/4
0
gd
then select my answer as best one
but i did nt post the question
2015-05-05T20:52:02+05:30

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Getting odd number in one throw or toss:    probability = 3/ 6 = 1/2
probability of getting even number:  1/2
Let n be the number of  odd numbers obtained when two dice are thrown  or one die is thrown tiwice.

probability of getting zero odd numbers
    = P(even number AND even number in 2nd throw)
 P( n = 0)    = 1/2 * 1/2 = 1/4

Probability of getting one odd number = P(n = 1)
    = P (Odd number AND even number) + P(even number AND odd number)
   = 1/2 * 1/2 + 1/2 * 1/2
   P(n = 1) = 1/2

Probability of getting two odd numbers =
   P( n = 2) =  P( odd number AND odd number)
   =  1/2 * 1/2 = 1/4

So the distribution is:

P(0) = 1/4        P(1) = 1/2      P(2) = 1/4


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