В урне имеется 4 шара, они пронумерованы числами: \( 1,2,3 \) и 4. Берём наугад один шар. Найдите вероятность того, что изображённое на нём число не будет 1. \( \begin{array}{llll}\text { 1) } \frac{1}{4} ; & \text { 2) } \frac{1}{2} ; & \text { 3) } \frac{1}{3} ; & \text { 4) } \frac{3}{4}\end{array} \)

D. 300 15. En una bolsa hay varias docenas de caramelos de 4 sabores distintos. El número mínimo de caramelos que deben extraerse de la bolsa, sin mirar su contenido, para tener la seguridad de haber sacado 5 del mismo sabor es: A. 10 B. 13 C. 17 D. 19

Kyd and North are playing a game. Kyd selects one card from a standard 52-card deck. If Kyd selects a face card (Jack, Queen, or King), North pays him \( \$ 4 \). If Kyd selects any other type of card, he pays North \( \$ 2 \). a) What is Kyd's expected value for this game? Round your answer to the nearest cent. \$ b) What is North's expected value for this game? Round your answer to the nearest cent. \$ c) Who has the advantage in this game? Select an answer - Calculator

Tickets for a raffle cost \( \$ 7 \). There were 800 tickets sold. One ticket will be randomly selected as the winner, and that person wins \( \$ 1000 \) and also the person is given back the cost of the ticket. For someone who buys a ticket, what is the Expected Value (the mean of the distribution)? If the Expected Value is negative, be sure to include the "-" sign with the answer. Express the answer rounded to two décimal places. Expected Value \( =\$ \$ \)

2. Marque la situación en la cuál no se suscita un experimen to determinístico. \( \begin{array}{lll}\text { I. Lanzar una dado en el cuál cada cara tiene seis puntos. }\end{array} \) \( \begin{array}{lll}\text { II Juegan la loteria. }\end{array} \)

Use the following probabilities to answer the question. It may be helpful to sketch a Venn diagram. \( P(A)=0.45, P(B)=0.45 \) and \( P(A \operatorname{and} B)=0.10 \). \( P(\operatorname{not} B \mid A)=\square \) Question Help: \( \square \) Video