Delta Airlines flights from Bostin to Seattle are on time 70% of the time. Suppose 10 flights are randomly selected, and the number of on-time flights is recorded. round answer to 3 significant...

Delta Airlines flights from Bostin to Seattle are on time 70% of the time. Suppose 10 flights are randomly selected, and the number of on-time flights is recorded.

round answer to 3 significant figures

 the probability that exactly 5 flights are on time is =
the probability that at most 7 flights are on time is =
the probability that at least 9 flights are on time is=