Betropolis TV claims that 1 out of 5 of "today's marriages" began as an online relationship. Assuming this is true, calculate the following for 9...

1. Betropolis TV claims that 1 out of 5 of "today's marriages" began as an online relationship. Assuming this is true, calculate the following for 9 randomly selected "today's marriages".
2. Find the probability that at least 1 began online. _______________

1. Find the probability that 2 or 3 began online _____________

1. Find the probability that exactly 1 began online _______________.

1. Find the expected number that began online _____________.

Your final answers should be correct to 3 places after the decimal point.