the probability of success in an experiment is 0.2, the the experiment is performed 6 times, what is the probability of having at most 5 successes?

Question

anonymous · Answer

1

anonymous · Answer

please show the step by step method

anonymous · Answer

chance of success in 1 experiment is 0.2

probability of have 5 experiments which are a success is 0.2*5 = 1

anonymous · Answer

no wait I think its wrong, see what the others reply

anonymous · Answer

it's a binomial distribution,so the probability of having at most five successes is given by 1-P(having exactly six successes)
1-0.2^6
1-0.000064
0.999936

anonymous · Answer

lol close enough ^