There are two dice 
and 
. Die 
has 4 red and 2 white faces and 
has 2 red and 4 white faces. A coin is tossed once, if it shows head, die 
is rolled, if it shows tail, die 
is rolled, if the probability that die 
is used is 
when it is given that red turns up every time in first 
throws, then 
Text Solution
Verified by ExpertsA
Let events, 
: die 
is used when head is appeared 
: die 
is used when tail is appeared 
red face appears on the die.
Similarly, 
According to the Bayes theorem,
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