A flashlight has 8 batteries out of which 3 are dead. If two batteries are selected without replacement and tested, the probability that both are dead is

Question

Philoid · Accepted Answer

There are total number of batteries , n= 8

Number of dead batteries are = 3

Probability of dead batteries is

Now, If two batteries are selected without replacement and tested

Then, Probability of second battery without replacement is

Required probability =