Explain the answer

Johann is a businessman from Geneva and he travels to Southampton for a business conference. While there, he encounters an opportunity to play Scrabble in English. He notes that there is a different distribution of tiles based on language. Using the chart below, use mathematical reasoning to challenge Johann on his assumptions about chance: Johann believes that in his first seven letters he is very likely to have two vowels Johann believes that in his first seven letters he is certain to have a letter worth more than 1 point Johann believes that in his first seven letters he is unlikely to have two of the same letter Johann believes that in his first seven letters he is very unlikely to receive a blank Johann believes that in his first seven letters he is certain to receive a D, S, L, R, or N