Maya and Ryan are both doing exams tomorrow. - The probability that Maya will pass is \( 0.5(\mathrm{P} 1) \). - The probability that Ryan will pass is \( 0.4(\mathrm{P} 2) \). (a) Complete the tree diagram.

1 Para crear una prueba, un profesor tiene un banco de 50 preguntas. Si de ellas escogerá 20. ¿de cuántas formas puede crear la prueba? \( =50 \) \( =20 \)

Probability involving one die or choosing from n distinct objects A bag contains seven tiles labeled \( B, C, D, E, F, G \), and \( H \). One tile will be randomly picked. What is the probability of picking a vowel? Write your answer as a fraction in simplest form.

In an aquarium, there are 7 large fish and 6 small fish. Half of the small fish are red. One fish is selected at random. Find the probability that it is a small, red fish. Write your answer as a fraction in simplest form.

Question A stack of cards contains six RED cards numbered \( 1,2,3,4,5,6 \), five BLUE cards numbered \( 1,2,3,4,5 \), and four GREEN cards numbered \( 1,2,3,4 \). If a single card is picked at random, what is the probability that the card has an ODD number? - Express your answer as a simplified Fraction Provide your answer below:

Question A professor gives a surprise quiz with one multiple choice question. There are 4 answer possibilities: B, C, and D. What is the probability that you randomly guess and select the correct answer? Give your answer as a fraction.