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There is a doll that can make 2 musical sounds. it makes 2 musical sounds after being defective. what is the probability that the same musical sound would be produced 5 times consecutively?

Read Solution (Total 3)

1/2*1/2*1/2*1/2*1/2=1/32
multiplication bcoz there is a dependency
14 years agoHelpfull: Yes(8) No(3)

2/32
14 years agoHelpfull: Yes(8) No(10)
(1/2^5)=1/32
14 years agoHelpfull: Yes(3) No(4)

TCS Other Question

3 friends A,B,C measures their weights in some order in 7 rounds as follows: A,B,C,AB,BC,AC,ABC.
Final round measure is 155kg.find the avrg weight of all the 7 rounds. There are 11 boys in a family. youngest child is a boy.what is the probability that all are boys?