Jump to A red die and a blue die are rolled. You win or lose money depending on the sum of the values of the two dice. If the sum is 3, 10, or 12, you win $5. If the sum is 5 or 11, you win $1. If the sum is any other value (2, 4, 6, 7, 8, or 9), you lose $2. Let X be a random variable that corresponds to your net winnings in dollars. What is the expected value of X? EX]=Ex: 1.23

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: You have some number of coins in your pocket, and you choose two at random. The random variable Z…

A: The random variable Z assigns the value of the coins in cents to each outcome  you draw out a…

Q: Find the total number of distinct vehicle numbers that can be formed using two letters followed by…

A: no.of letters=26   (A to Z)no.of digits=10  (0 to 9) 26 ways to fill it 25 ways to fill it 10…

Q: A friend shares a new playlist of 14 songs with you. The playlist has 2 rock song, 5 pop songs, 5…

A: From the given information, there are 14 songs.   There are,   2 rock songs 5 pop songs 5 rap songs…

Q: A card is chosen from a deck. Find the probability of a spade, red ace, and black face card

A: There are total 52 cards in deck  Probability =no. Of Favorable cards/total cards

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: ou randomly select one card from a​ 52-card deck. Find the probability of selecting a black two or a…

A: given data, select one card from 52 card deckhere total outcomes= 52 cards we have to find out the…

Q: Determine the number for which the sum for both dice is 10. Determine the number for which the sum…

A: Given that there is two dice and we know that there will be total 36 outcome so we have find number…

Q: Jessica tosses a 50p coin twice. What’s the probability she’ll get two heads?

A: The number of times Jessica tosses a 50p coin=2

Q: The average length of a password is 8 characters. If you are allowed to use the 26 letters in the…

A: The average length of a password = 8No. of letters in the alphabets=26No. of digits from 0-9=10Total…

Q: c. Find the probability that a patient randomly selected from the study had cancer OR was on the…

A: (c )   Obtain the probability that a patient randomly selected from the study had cancer OR was on…

Q: Steve has 12 biscuits in a tin. There are 5 digestive and 7 chocolate biscuits. Steve takes two…

A: Given that, Total number of biscuits = 12 5 digestive biscuits and 7 chocolate biscuits We to find…

Q: Mildred rolls the dice 300 times. Approximately how many times it will be

A: Given information: Total no. of rolls=300favourable outcomes={3,4,5,6}

Q: Find the probability of getting a 1, 5, or 6 when you roll a standard six-sided die

A: When we roll a six-sided die then we can get 6 possible outcomes.  We can get 1, 5 or 6 in 3 ways.…

Q: You draw 2 cards from a standard deck of 52 cards. Find each probability. If the first one is…

A: Given that 2 cards are selected from standard deck of 52 cards. Here, 2 cards are selected with…

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: On a shelf at a gaming store, there are five Sony Playstations and nine Nintendo Wii consoles left.…

A: We have given that On a shelf at a gaming store  Number of Sony Playstations = 5 Number of Nintendo…

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

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Q: A bag contains 9 pennies, 6 nickels, and 5 dimes. If a coin is randomly selected from the bag, then…

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Q: The random variable is the sum of the numbers on the dice. You roll three colored dice: 4 Give the…

A: The outcomes for each of the die is {1, 2, 3, 4, 5, 6}.

Q: you deal a hand of five cards from a regular deck of playing cards. find the probability of dealing…

A: In a standard deck of cards, there is a total of 52 cards. There are four suits: Spades, Diamonds,…

Q: It costs $6.75 to play a very simple game, in which a dealer gives you one card from a deck of 52…

A: The cost of the game is $6.75.

Q: This game is called “Get Negative”.  Roll two dice (record these in the order you roll them), and…

A: Sample space is the totality of all the possible outcomes of a random experiment. Suppose we have a…

Q: Solve correctly. I will rate accordingly.   An urn contains four yellow balls and two green balls.…

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Q: For 8 TL a player can roll a pair of dice once. If the player gets a double, he is allowed to choose…

A: The probability that the player gets a double = (Number of ways to get a double)/(Total number of…

Q: You are dealt one card from a 52-card deck. Find the probability that you are dealt a red 7 or a…

A: Given: Number of cards in a deck = 52 Number of 7 red = 2  Number of 8 black = 2