0 Question 4 B 0/1 pt '0 3 8 99 (D Details Find the expected value of the above random variable. Submit Question 0 Question 5 B 0/1 pt '0 3 8 99 (D Details Suppose you model a game of chance with a discrete probability distribution. Let X be the net amount of money won or lost by the player. Let P(X) be the probability of the corresponding outcome. The three events are as follows: There is a 23% chance the player wins 8 dollars. There is a 38% chance the player breaks even. There is a 39% chance the player loses 6 dollars. Complete the table below to model the scenario . Question 6 0/1 pt 9 3 99 0 Details Scores Probability 1 0.2 7 0.1 8 0.05 10 0.35 14 0.3 Find the expected value of the above random variable. Question Help: Video Submit Question0 Question 7 E 0/1 pt '0 3 8 99 6) Details 'A ping pong ball is drawn at random from an urn consisting of balls numbered 2 through 10. A player wins 1 dollar if the number on the ball is odd and loses 1 dollar if the number is even. What is the expected value of his winnings? U A card is drawn at random from a standard deck of playing cards (no jokers). If it is red, the player wins 1 dollar; if it is black, the player loses 2 dollars. Find the expected value of the game. H In a class there are 20 students: 3 are 5' 6", 5 are 5'8", 4 are 5'10", 4 are 6', and 4 are 6' 2". A student is chosen at random. What is the student's expected height? inches m Submit Question 0 Question 8 B 0/1 pt '0 3 23 99 G Details Find the expected value for the random variable X. O 6.91 O 7.81 O 8.23 O 6.96 O 3.13 O 6.01 Submit Question 0 Question 9 B 0/1 pt '0 3 Z 99 (D Details Robert bought a $5 lottery ticket such that 1 in 100 would win $10, 1 in 1000 would win $100, and 1 in 50 million would win 1 million. What is the expected value of a lottery ticket in dollars? Does Robert expect to earn a profit if he buys 100 tickets? Select an answer v By how much? 0 Question 11 B 0/1 pt '0 3 8 99 (9 Details A company estimates that 0.8% of their products will fail after the original warranty period but within 2 years of the purchase, with a replacement cost of $250. If they offer a 2 year extended warranty for $40, what is the company's expected value of each warranty sold? 5:] Question Help: El Video Submit Question 0 Question 12 B 0/1 pt '0 3 8 99 6) Details A company estimates that 1% of their products will fail after the original warranty period but within 2 years of the purchase, with a replacement cost of $400. If they want to offer a 2 year extended warranty, what price should they charge so that they'll break even (in other words, so the expected value will be 0) s[:1 Question Help: Q Written Example Submit Question 0 Question 13 B 0/1 pt '0 3 8 99 (D Details In a lottery game, a player picks six numbers from 1 to 25. This gives 177100 possible ways of choosing six numbers, and just one winning combination. If the player matches all six numbers, they win 40,000 dollars. Otherwise, they lose 51. What is the expected value of this game? _ Submit Question 0 Question 14 E 0/1 pt '0 3 8 99 (9 Details 'A bag contains 1 gold marbles, 9 silver marbles, and 21 black marbles. Someone offers to play this game: You randomly select one marble from the bag. If it is gold, you win $4. If it is silver, you win $3. If it is black, you lose $1. What is your expected value if you play this game? _ Question Help: El Video Submit Question 0 Question 15 E 0/1 pt '0 3 8 99 6) Details 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 $3. a) What is Kyd's expected value for this game? Round your answer to the nearest cent. 5 :1 b) What is North's expected value for this game? Round your answer to the nearest cent. 5 :J c) Who has the advantage in this game? Submit Question 0 Question 15 B on pt '0 3 8 99 (D Details m Find the expected value of the above random variable