30% of people say they have danced in public. If 5 are chosen at random:
(a) The probability that at least 1 has not danced in public
(b) at least 1 of the 5 have danced in public

Question

30% of people say they have danced in public. If 5 are chosen at random:
(a) The probability that at least 1 has not danced in public
(b) at least 1 of the 5 have danced in public

shamil98 · Answer

30% of people in the world? 30% of 7 billion people?...
5 out of 7 billion?
._.

anonymous · Answer

It just says Among 39-44 year olds, 30% say they have danced in public while under the influence of peer pressure. Suppose 5 39-44 year olds are selected at random

anonymous · Answer

(a)  the probability that at least one has not danced in public while under the infulence of peer pressure

anonymous · Answer

(b) The probability that at least one of the 5 randomly selected adults has danced in public while under the influence of peer pressure