hey, i'm super stuck on the last two questions of a massive set of p&c questions and i would be forever grateful to anyone who could explain them to me please!!
Q1. 4 letters are picked at random from the word THURSDAY, what is the probability that there is at least one vowel among the letters? (answer:11/14)
Q2. how many numbers greater than 4000 can be formed by using some or all of the digits 8,6,5,3 and 2 without repetitions? (answer: 192)
thank youuu!!!