A bag contains 2 gold marbles, 7 silver marbles, and 24 black marbles. Someone offers to play this game: You randomly select one marble from the bag. If it is gold, you win $3. If it is silver, you win $2. If it is black, you lose $1. What is your expected value if you play this game? Add Work

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Q: A charity organization is holding a raffle. Each ticket costs $14. One winner will win $1500, two…

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Q: e costs 20$ to buy in. You have a 20% chance to win 100 dollars, 30% chance to break even, 25%…

A: Break even mean that there is no profit no loss that is one get the amount equal to the cost. There…

Q: The game of Scrabble has 100 tiles. The diagram shows the number of tiles for each letter and the…

A: Total number of Tiles =100 Number of Tiles with point value equal to 1 =12+9+9+6+4+8+6+4+6+4+9=77…

Q: Todd and Tiff both train pets. Todd trains 30% of pets and Tiff trains 70% of pets. Todd’s pets are…

A: Given that P(Todd trains)=0.30 P(Tiff trains)=0.70 P(female| Todd) =0.55 P(female| Tiff) =0.65

Q: The game of Scrabble has 100 tiles. The diagram shows the number of tiles for each letter and the…

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A: Random variables are of 2 types, discrete and continuous. A discrete random variable can only take…

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A: Here, we use the expected value and probabilty for the purpose of knowing the variables probability…

Q: Allie plays on the varsity basketball team and makes 79% of her free throws. If she takes 12 shots,…

A: Given : p = 0.79 q = 1 - p = 1 - 0.79 = 0.21 n = 12 we have find P(x = 8) here, x follow a binomial…

Q: The winner of a raffle will receive a new SUV.  If 500 raffle tickets were sold and you purchased 10…

A: The winner of a raffle will receive a new SUV.  If 500 raffle tickets were sold and you purchased 10…

Q: The chance of winning Florida's Pick-6 Lotto game is 1 in approximately 23 million. Suppose you buy…

A: Random variables are of 2 types, discrete and continuous. A discrete random variable can only take…

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Q: You randomly select one card from a​ 52-card deck. Find the probability of selecting the king of…

A: It is known that Number of cards in a deck = 52 Number of king of diamonds = 1 Number of two of…

Q: A restaurant will select 1 card from a bowl to win a free lunch. Jo puts 5 cards in the bowl. The…

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Q: How many outcomes are possible when you roll 3 dice?

A: Here, we need to find out the total possible outcomes to roll 3 dice.

Q: Play this game with a partner. The first player marks down 1, 2, 3, or 4 dots on a sheet of paper.…

A: Given that in a game the first player marks down 1,2,3 or 4 dots in a sheet of paper  then the…

Q: Suppose you play a die rolling game in which a fair 6-sided die is rolled once. If the outcome of…

A: Introduction: Define X as the random variable representing the amount of profit ($) earned in each…

Q: ou draw a card from a deck of 52 cards. If the card is a spade, you win $5, but if the card is not a…

A: Total Number of Cards = 52 Number of spades = 13 Not Spade cards = 52 - 13 = 39 X P(X) 5 13/52…

Q: For Jermaine’s birthday, he can choose his gift from a stack of 4 sealed cards.  Each card has one…

A: GIVEN DATA,  For Jermaine’s birthday, he can choose his gift from a stack of 4 sealed cards.each…

Q: Calculate the probability of winning: Roll two standard dice. You win if you get a sum of 4 or get a…

A: There are 6 possible outcomes when a die is rolled.  So there are 62 = 36 outcomes when 2 dice are…

Q: A restaurant will select 1 card from a bowl to win a free lunch. Jo puts 5 cards in the bowl. The…

A: The odds in favour of event A is n: m. Here, n is the favourable number of outcomes and m is the…