If 20% of the Aussie population are carriers of the gene for colour blindness, what is the probability that from a group of 7 people chosen at random, at least 3 will be carriers of the gene for colour blindnes??
If 20% of the Aussie population are carriers of the gene for colour blindness, what is the probability that from a group of 7 people chosen at random, at least 3 will be carriers of the gene for colour blindnes??