A jar contains 4 pennies, 6 nickels and 6 dimes. A child selects 2 coins at random without replacement from the jar. Let X represent the amount in cents of the selected coins. Find the probability X = 10. Find the probability X = 11. Find the expected value of X.

Q: Find the probability distribution of the total number of heads obtained in four tosses of a balanced…

A: Let p be the probability of getting head  And X be the number of head  We want to find  (a)…

Q: In a gambling game, on every play, there is a 0.1 probability that you win $11 and a 0.9 probability…

A: given that 0.1 probability of winning $11 0.9 probability of loosing $3 Xi 11 -3 P(Xi) 0.1 0.9…

Q: In the game of​ roulette, a player can place a ​$5 bet on the number 35  and have a 1/38 probability…

A: Given information- We have given that in the game of​ roulette, a player can place a ​$5 bet on the…

Q: (d) Given that a car accident was caused by speeding, calculate the probability that the driver was…

A: Solution According to guideline we solve three subpart

Q: In American Roulette, a bettor may place a $1 bet on any of the 38 numbers on the roulette wheel.…

A: We have given,Total number on the roulette wheel = 38Probability of getting a number (winning bet) =…

Q: The concentration of particles in a suspension is 50 per mL. A 5 mL volume of the suspension is…

A:

Q: Stephen Curry is one of the best at free throw shooting and assume that he has the free throw…

A: Here Given the percentage of free throw =0.9=p So Here  Probability of each throw is constant…

Q: A university claims that 70% of its athletes earn a degree.  Suppose that the records of 100…

A: 70% of the athletes earn a degree. 100 athletes are chosen at random. Define the Random Variable, X…

Q: In the game of roulette, a player can place a $4 bet on the number 9 and have a probability of…

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Q: The concentration of particles in a suspension is 50 per mL. A 5 mL volume of the suspension is…

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Q: а) Calculate the probability that a randomly selected film has a running time less than 110 minutes.…

A: The following information has been provided: Mean μ=120,Since variance = 9Standard deviation σ=3…

Q: If X ~ exp ((b), calculate the probability that X exceeds its expected value.

A: It is given that X~Exp(b), the PDF PDF of X is given by,

Q: You have 4 quarters and 2 dimes in your pocket. You draw two out at random. What is the expected…

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Q: A person buys a raffle ticket for $20. 500 tickets are sold. One winner is chosen and receives…

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Q: Friendly’s Department Store has been the target of many shoplifters during the past month , but…

A: The given data is:   The probability of an event E is given by: P(E) = Number of favorable…

Q: A family decides to have children until it has three male children. Assuming P(male) = P(female) =…

A: A family decides to have children until it has three male children. Assuming P(male) = P(female) =…

Q: A coach has 6 players that will join track and field. The random variable that is being studied is…

A: Given: A coach has 6 players that will join track and field.  X: The number of players that will…

Q: Stephen Curry is one of the best at free throw shooting and assume that he has the free throw…

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

Q: expected value

A: Let X be the random variable representing the number of policies sold by the salesperson. The…

Q: If X is the number of heads and Y the number ofheads minus the number of tails obtained in three…

A: (1) N = Number of tosses      x = number of heads in n tosses   y = number of heads - number of…

Q: Find the expected value (for the participants) for lottery with 4000 sold tickets by price $50.00…

A: Given data is : 4000 ticket Price per ticket is $50.00 One winning ticket is $12000

Q: A batch of 100 cords has 8 defective cords. If 4 cords, taken at random from the batch, are to be…

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Q: At a restaurant, 60% of customers typically order a salad with their meal. What is the experimental…

A: As per given by the question, calculate the experimental probability that the next 4 customer will…

Q: You have 3 quarters and 2 dimes in your pocket. You draw two out at random. What is the expected…

A: 1 quarter = 25 cent 1 dime= 10 cent Three cases can happen.  we can get 1) 2 quarters, 2) 1 quarter,…

Q: Find the "mean" of the given probability distribution.

A: Solution: 15. From the given information, the probability distribution of x is

Q: In a carnival​ game, the player selects a ball one at a​ time, without​ replacement, from an urn…

A: Let random variable X denotes the players earnings for this game.The sample space is {g, bg, bbg,…

Q: One thousand tickets are sold at $1 each for four prizes of $100, $50, $25, and $10. What is the…

A: Introduction: Denote the random variable X as the amount of win on purchasing one ticket, and p (x)…

Q: Find the mean of the number of spots that appear when a die is tossed. The probability distribution…

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Q: Assuming that a family has two children, identify the expected number of boys per family. 1 A B 2 1

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Q: In the game of roulette, a player can place a $4 bet on the number 32 and have a probability of…

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Q: Find the probability distribution and CDF of X.

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Q: The probability that someone can taste PTC is 0.7. Suppose 20 people are randomly selected and…

A: We have given that,  Let X be the random variable from binomial distribution with probability (p) =…

Q: What is the probability that at least one copier is working when school opens? What is the expected…

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Q: A church is holding a raffle and sells 500 tickets for $2 each. If the church awards one $100 first…

A: There is one $100 prize  So the probability of winning $100 is = 1/500    there are two $50 prize So…

Q: A camera manufacturer just shipped a batch of 36 digital cameras to local retailers and seven of the…

A: Given Data: The total number of digital cameras is: N=36 The number of cameras with defective…

Q: A class contains 8 boys and 7 girls. The teacher selected 3 of the children at random and without…

A: Given: Number of boys = 8 Number of girls = 7 Total number of students = 7+8=15

Q: In a 2 colour spinner, the probability of spinning red is 4 times the probability of spinning green.…

A: Let there are n trials and each having two outcomes - Success and Failure. The trials are…

Q: Find the expected value for a person that buys one ticket

A: Expected value = number of required/ number of total

Q: The cashier line of a canteen can facilitate up to 60 customers an hour. Frequenters of the canteen…

A: Queuing theory is a branch of mathematics or statistics which basically deals with the different…

Q: In the game of​ roulette, a player can place a ​$8 bet on the number 1 and have a 1/38 probability…

A: Let 'x' represent amount gained or lose by a player .Expected value of the player can gain or lose…

Q: According to Motor Trend magazine, 20% of all US households own a pickup truck. We pick 9 households…

A: (a)   Obtain the probability that exactly 5 of these households own a pickup truck.   The…

Q: A church is holding a raffle and sells 500 tickets for $2 each. If the church awards one $100 first…

A: Note:Hey there! Thank you for posting the question. Your question says “what is the expected value…

Q: Find the probability that the monthly electricity consumption during October by a randomly selected…

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Q: The table lists the drinking habits of a group of college students.    Non-Drinker Regular Drinker…

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Q: MHS has three copiers, and because teachers make a lot of copies, often copiers need to be repaired.…

A: As per the guidelines, I can solve only the first 3 subparts. Kindly repost the last part. Thatnks!

Q: In the game of roulette, a player can place a $8 bet on the number 27 and have a probability of…

A: The answer is attached below,

Q: In the game of roulette, a player can place a $5 bet on the number 7 and have a 1/38 probability of…

A: E[x] = ∑xP(x) P(x) = 1/38 , x = 175  and....

Q: A shipment of 11 microwave ovens contains 2 defective units. A restaurant buys four of these units.…

A:

Q: A shipment of 10 microwave ovens contains 2 defective units. A restaurant buys four of these units.…

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Q: A robber is thinking of committing  a robbery. He has a 0.5 probability of obtaining $2500 and a 0.5…

A: Given information: In a robbery, let X be the amount obtained on committing a robbery. The…