Math
posted by James .
What is the probability of obtaining at least one tail when a coin is flipped six times?

James, Samantha, Amanda  and a couple of other names  there's no need to change names with each post. It still looks like you're dumping your homework assignment on us. If you want help, please keep the same name for multiple posts and tell us what you know about solving these problems.

A coin if flipped 4 times what is the probility that it lands on head 3 times