For questions 7-10, give each answer as a fraction (simplest form), decimal, and percent. 7. If a letter in the word MATHEMATICIAN is chosen at random, what is the probability of choosing a vowel? 8. A number from 1-30 is chosen at random. What is the probability that the number is a two-digit number and prime? 9. If a card is selected at random from a standard deck, what is the probability that it is a face card or an 8? 10. If a card is selected at random from a standard deck, what is the probability that it is an ace or a red card?