Una empresa hace una encuesta a sus trabajadores, para saber a qué lugar prefieren ir para la fiesta de fin de año. Si se escoge una muestra de 4 trabajadores de un total de 20 , ¿cuántas muestras distintas se puede elegir? \( \begin{array}{llllll}24 & \text { B. } 80 & \text { C. } 120 & \text { D. } 4.845 & \text { E. } 116.280 \\ \text { hl } 201 & -20.19 \cdot 12017 & 116.780\end{array} \)

A box coittains 18 red, 14 blue, and 10 green marbles. a) Two marbles are selected at random with replacement. Find the probability they are both red. b. Two marbles are selected at random without replacement. Find the probability that the first is blue and the second is green. c. Two marbles are selected at random without replacement. Find the probability that the first is blue and the second is yellow.

Question 18 Arjun buys a bag of cookies that contains 8 chocolate chip cookies, 8 peanut butter cookies, 5 sugar cookies and 7 oatmeal cookies. What is the probability that Arjun randomly selects a peanut butter cookie from the bag, eats it, then randomly selects a chocolate chip cookie? Express you ansiver as a reduced fraction. Question Help: - Calculator

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. \( \begin{array}{lll}\text { I. Lanzar una dado en el cuál cada cara tiene seis puntos. }\end{array} \) \( \begin{array}{lll}\text { II Juegan la loteria. }\end{array} \)