A ping pong ball is drawn at random from an urn consisting of balls numbered 20 through 28. A player wins 2 dollars if the number on the ball is odd and loses 2 dollars if the number is even. What is the expected value of his winnings? Round to 3 decimal places.

Q: Sarah is about to draw a card at random from a standard deck of 52 playing cards. If he draws a…

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Q: In a lottery game, a player picks 9 numbers from 1 to 49. If 8 of the 9 numbers match those drawn,…

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Q: Find the probability of answering the two multiple choice questions correctly if random guesses are…

A: The probability shows how likely an event occurs.

Q: There are 5 marbles in a jar.  They each have a number.  The numbers range from 1 – 5. Write a…

A: Given: 5 marbles in jar Numbered from 1 to 5

Q: You are dealt one card from a 52 card deck. Find the probability that you are not dealt an even…

A: Answer:- Total number of cards in a deck = 52  We know that, total number of even cards in a deck  =…

Q: Two cards are drawn at random from an ordinary deck of 52 cards. Find the probability that the…

A: The provided information is There are 52 cards of deck. We find the probability the 2-card hand…

Q: Suppose you roll a red die where each face represents a number from 1 to 6. Determine the…

A: When a die is rolled n(S)=6 S={1,2,3,4,5,6}

Q: Suppose a jar contains / red marbles and 10 blue marbles. If you reach in the jar and pull out 2…

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Q: Suppose you have 10 tennis balls and you randomly pick some number of them. What is the probability…

A: Given the event that there are 10 tennis balls and one randomly pick some number of them.

Q: In a lottery game, a player picks 5 numbers from 1 to 48. If 4 of the 5 numbers match those drawn,…

A: pick 5 numbers from 1 to 48. win second prize if 4 of 5 numbers matches. P(win second prize) = ?

Q: A quiz consists of 2 true-false questions and 4 multiple-choice questions (each with 4 choices with…

A: Given data Quiz consists of 2 true-false questions 4 multiple-choice questions Total question = 2+4…

Q: In a card game, there are 15 cards laid out on a table. 6 of the cards are blank, 2 of the cards are…

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

Q: One card is drawn from a standard deck of 52 playing cards. Find the probability the card is a black…

A: 52 card=26(red)+26(balck)

Q: What is the probability of rolling a 20-side number cube to a number that is a prime or even ? a-…

A: Probability = number of Favourable event/ total number of possible outcomes

Q: Meredith draws a six from a standard deck of 52 cards. Without replacing the first card, she then…

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Q: you are dealt two cards successively (withouth replacement) from a shuffled deck of 52 playing…

A: From the given information we want to find the probability of first card is King and second card is…

Q: an urn contains 4 red balls and 6 green balls. pick a ball; keep it; pick another ball. then the…

A: No.of red balls=4 No.of green balls=6 Total no.of balls=10

Q: The actual cards “Will Bill” Hickok was holding when he was shot were the aces of spades and clubs,…

A: Introduction: A standard deck has 52 cards.

Q: An urn contains 4 red and 3 white balls. Two balls are drawn in succession without replacement. If…

A: From the provided information,An urn contains 4 red and 3 white balls. Two balls are drawn in…

Q: Find the probability you pick blue from the last box if you… Pick one marble from box 1, place it in…

A: Number of blue ball box 1 have 1. Number of white ball box 1 have 1. Number of blue ball box 2 have…

Q: Consider the dice game in which 2 dice are rolled.  If the sum of the dice is 11, then your friend…

A: If the sum of the dice is 11, then your friend will give you $45; otherwise, you have to give your…

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: An urn contains 3 red and 7 blue balls. Pick a ball; keep it; pick another ball. Find the…

A: Given: Total number of balls=10 Number of red balls=3 Number of blue balls=7

Q: A pet store has 10 puppies, including 4 poodles, 2 terriers, and 4 retrievers. If Rebecka selects…

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Q: Find the probability of getting a 2, 4, 5, or 6 when you roll a standard six-sided die

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