Determine the probability that: 1.1 the team will win both matches? 1.2 the team loses both matches? 1.3 the team wins exactly one match? 1.4 the team wins at least one match? 1.5 the team loses the first match but wins the second?

Resuelve el siguiente problema y elige la respuesta correcta. De una lista de 10 aplicantes se seleccionarán 3 para un empleo, ¿de cuántas maneräs se podrá selé \( { }_{10} P_{3}=\frac{10!}{(10-3)!3!}=110 \) b. \( { }_{10} P_{3}=\frac{10!}{(10-3)!}=720 \) c. \( C_{3}=\frac{10!}{(10-3)!3!}=120 \)

This year, there are seven freshmen, eight sophomores, ten juniors, and seven seniors are eligible to be on a committee. In how many ways can a dance committee of 8 students be chosen? In how many ways can a dance committee be chosen if it is to consist of 2 freshmen, 2 sophomores, 2 juniors, and 2 seniors. In how many ways can a dance committee be chosen if it is to consist of 4 juniors and 4 senions. Determine the probability of selecting a committee consisting of 2 freshmen, 2 sophomores, 2 juniors, and 2 seniors. Write your answer in decimal form, rounded to the nearest thousandth. Answer:

4. Em uma escola, 20 estudantes participaram do grupo de recepşão e acolhida dos alunos. A Diretora da escola convocou esses estudantes para uma reunião e iria sortear um pre- sente a um desses alunos. Daniela participou da reunião em que faltaram 4 dos estudantes convocados. Qual a probabilidade de ela ser sorteada e receber o presente oferecido pela Diretora? \( \begin{array}{llll}\text { A) } \frac{1}{20} & \text { B) } \frac{4}{20} & \text { C) } \frac{16}{20} & \text { D) } \frac{1}{16}\end{array} \)

Next question The PTO is selling raffle tickets to raise money for classroom supplies. A raffle ticket costs \( \$ 5 \). There is 1 winning ticket out of the 180 tickets sold. The winner gets a prize worth \( \$ 84 \). Round your answers to the nearest cent. What is the expected value (to you) of one raffle ticket? \( \$-4.53 \) Walculate the expected value (to you) if you purchase 12 raffle tickets. \( \$-54.36 \) What is the expected value (to the PTO) of one raffle ticket? \( \$ 4.53 \) \( \$ \) PTO sells all 180 raffle tickets, how much money can they expect to raise for the classroom supplies? Question Help: Video

05- Se é escolhido aleatoriamente um numero da sequência: (1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17, \( 18,19,20 \) ) qual a probabilidade de escolher um nümero primo? a) 38 b) 8.9 c) 2.5 d) 588