When two dice are thrown, find the expected values of the sum of number points on them.

Q: The expected number of times the number 3 shows up on 120 rolls of a fair dice equals 20. True False

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Q: A fair 6-sided die is rolled three times. What is the probability that all three rolls are 3? Write…

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Q: If a coin is flipped four times, construct the probability distribution for the number of heads. *

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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: Find the expected value of the number on a die when thrown.

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Q: Find the expected value of the sum obtained when n fair dice are rolled.

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Q: Use a formula to determine the expected probability of an event

A: we have to tell among which of the option describes the theoretical proability.

Q: When two unbiased dice are thrown, find the expected value

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Q: Two fair dice are rolled, Find the probability of getting a sum of less than 6

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Q: Find the probability function and commulative distribution function for number of heads that appear…

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Q: An automated assembly line produces 43,500 parts per duty cycle. The probability that a randomly…

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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: Two six sided dice are rolled. What is the expected sum of the face values of the dice? (Use the…

A: We first make a probability distribution table for this event. sum (xi) Outcomes  Number of…

Q: A fair die is rolled three times. What is the probability of obtaining at least two 5​'s?

A: Given a fair die rolled three times.

Q: If the probability distribution for the random variable X is given in the table, what is the…

A: The expected value of X is calculate as E(X) = ∑x.p(x)

Q: the probability of a player scoring a goal is 0.7. What is the probability that a 5th goal is made…

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Q: A die is rolled twice. What is the probability of showing a 5 on the first roll and an even number…

A: Sample space for a die rolled twice is given by,…

Q: While driving to work, Arceli passes through 3 stop lights. The probability distribution of the…

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Q: Find the expected number of girls in a family of 3 children.

A: Let X : Number of girls in a family of three children. We have to find the expected value i.e. EX…

Q: Find the probability distribution of the sum of the dots when two fair dice are rolled.

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Q: In a game of chance, the probability of winning a $50 prize is 40 percent, and the probability of…

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Q: they roll two normal fair dice and multiply the numbers to get their score. what is the probability…

A: It is an important part of statistics . It is widely used .

Q: In an experiment when two dice are thrown simultaneously find expected value of the sum of number of…

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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: An experiment consists of rolling a pair of die and noting the sum of numbers. What is the…

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Q: When two unbiased dice are thrown, find the expected value of the product of the numbers shown on…

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Q: Construct a probability distribution for the sum shown on the faces when two dice are rolled.

A: Given: Construct a probability distribution for the sum shown on the faces when two dice are rolled.

Q: A bag has three times as many green marbles as there are blue. If you take 8 marbles from this bag,…

A: In question,  Given that a bag has three times as many green marbles as there are blue marbles, 8…

Q: In the attatched image is a partially complete probability model. What is the probability for the…

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Q: The amount of time people spend at the gym follows a uniform distribution from 45 to 90 minutes.…

A: From the provided information, The amount of time people spend at the gym is uniformly distributed…

Q: are the different types of probability distribution? Define

A: There are two types of probability distribution as below: (a) Discrete probability distribution (b)…

Q: The probability of a player scoring a goal is 0.70. what is the probability that a the 5th goal is…

A: The probability of a player scoring a goal is 0.70 The probability that a 5th goal is made on the…

Q: The probability of getting at least 2 heads when a coin is tossed four times is?

A: Obtain the probability of getting at least 2 heads when a coin is tossed four times. The probability…

Q: The Walker Construction Company has just received a building contract. Walker estimates there is a…

A: Let us assume X= amount of profit  Breakeven means no profit. Let us make a probability distribution…

Q: Show the probability distribution function of the number of heads when three fair coins are tossed…

A: In the above case the random experiment is tossing  3 coins simultaneously. We can have 2*3=8…

Q: A basketball player makes 70% of her free throws. 19. If she takes 20 free throws, determine the…

A: Binomial distribution: A discrete r.v. X taking values 0,1,2,3, …., n is said to follow a binomial…

Q: when a single die is rolled, what is the probability of gitting a number less than 7?

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Q: Construct a probability distribution for tossing two coins. Let x represents the number of tails.

A: Given that two coins are tossed.

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

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

Q: Estimate the probability that a randomly selected household from this area will be a student. Which…

A: According to the classical definition of probability, the probability of an event is defined by the…

Q: Determine the expected number of boys in a family with 8 children, assuming the sex distribution to…

A: Given data Determine the expected number of boys in a family with 8 children assuming the sex…

Q: Find the probability. A 6-sided die is rolled. What is the probability of rolling a number greater…

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Q: Illustrate the probability distribution if X is the random variable that represents the number of…

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Q: The probability of committing a type II error is denoted as â True or False

A: We have to find given Statement is true or false.

Q: A fair die is rolled 6 times. What is the probability it comes up 4 at least once?

A: Given  n = 6  Die is fair

Q: Calculate the expected value of x, the sum of the scores, when two dice are rolled.

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Q: A standard six-sided die is rolled. What is the probability of rolling a number equal to 5?

A: Probability:   The ratio of the number of favorable outcomes to certain event and total number of…