1- A box contains 11 vitamin and 9 sugar tablets identical in appearance. One tablet is taken at random and given to Amina. Another tablet is then selected and given to Bader. What is the probability that both Amina and Bader were given sugar tablets? Round your answer to 4 decimal places.

2- According to a web security firm, 16% of email messages received are spam. Suppose your inbox contains 25 new messages, what is the probability that at most one of them is spam? Round the answer to 4 decimal digits.