Question

A flash light has 8 batteries out of which 3 are dead. If two batteries are selected with replacement and tested , the probability that one is dead and other is not dead.

Answer 1

Answer:

Given 10 batteries out of which 4 are dead

P(3 are dead)=

10

C

3

4

C

3

=

10

4

×

9

3

×

8

2

=

20

1

.

Answer 2

Step-by-step explanation:

3/8

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