In a valid probability distribution, each probability must be between 0 and 1, inclusive, and the probabilities must add up to 1. If a probability distribution has probabilities 1 1 12'6'3' and x, what is the value of x? O A. О в. O C. 12 D. 6. 1/3 114

Q: If a single 9-sided die is tossed once, find the probability of rolling a nurmber greater than 3.…

A: If a single 9 sided dice is tossed then Total outcomes S={1,2,3,4,5,6,7,8,9} P(X>3)=?

Q: The probability of A is 0.4. The probability of B is 0.5. The probability that neither A nor B…

A: P(A) = 0.4 P(B) = 0.5 P(A'∩B') = 0.1 P(A∩B) = ?

Q: Suppose you roll a special 12-sided die. What is the probability that the number rolled is a "2" OR…

A: Given that  We roll a special 12 sided die  Then we have to find the probability that the number

Q: A bag contains 3 red marbles, 5 blue marbles and 2 green marbles. Two marbles are drawn, one at a…

A:

Q: Assume that when adults with smartphones are randomly selected, 47% use them in meetings or classes.…

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

Q: The Wilson family had 6 children. Assuming that the probability of a child being a girl is 0.5, find…

A: Solution: Let X be the number of children are girls and n be the sample number of children. From the…

Q: If a single 4-sided die is tossed once, find the probability of rolling a number greater than 2. The…

A:

Q: 9% of all Americans live in poverty. If 38 Americans are randomly selected, find the probability…

A: The sample size is 38 and 9% of all Americans live in poverty.

Q: The probability that a person living in a certain city owns a dog is estimated to be 0.2. Find the…

A: Note: (As per our standard guideline, we are supposed to answer only one question.I am solving first…

Q: If you roll the die 10 times,

A: Number of faces a dice has is 10 Probability of getting 3 is 0.1 as 1/10

Q: If the probability that an event does no occur is 0.3 determine the probability that the event…

A:

Q: The probability that an item made by a certain company will be defective is 0.1. Compute the…

A: Given: Probability of defective item is, p=0.1. Number of items is batch is, n=10. The objective…

Q: An individual can be either susceptible or infected, the probability of infection for a susceptible…

A:

Q: If a single 4-sided die is tossed once, find the probability of rolling a number less than 2. The…

A: Obtain the probability of rolling a number less than 2. The probability of rolling a number less…

Q: A die is rolled 9 times. Find the probability of rolling no more than 3 fives. The probability of…

A:

Q: A coin is tossed and an eight- sided die numbered 1 through 8 is rolled. Find the probability of…

A: The sample space using given information could be written as: Sample space for coin = {H,T} and for…

Q: Assume that when an adult is randomly​ selected, the probability that they do not require vision…

A: The probability that exactly 3 of them do not require a vision correction is obtained below:Here, do…

Q: In a large population, 62 % of the people have been vaccinated. If 4 people are randomly selected,…

A: It is given that p=0.62 and n=4.

Q: A coin is tossed and a six-sided die numbered 1 through 6 is rolled. Find the probability of tossing…

A: A coin is tossed and a six-sided die numbered 1 through 6 is rolled.Sample space S = { H1, H2, H3,…

Q: The probability that a person living in a city owns a pet is estimated to be 0.2. Find the…

A: Independent Events: Let A1, A2, ... , An be n independent events with P(Ai) > 0 for all i = 1, 2,…

Q: What is the probability that a family with two children has two girls, assuming the chance of having…

A:

Q: cording to a recent survey, the probability that the driver in a fatal vehicle accident is female…

A: GIVEN DATA event A  : river 24 years old or lessevent F : driver in a fatal accident is femaleP(F) =…

Q: The probability of flipping a coin and having it land on heads is 1/2.   If a coin is tossed 4…

A: The number of coins flipped is 1. The probability of getting head is

Q: A die is rolled. Find each probability to 3 decimal places. A. The number on top is more than 2. B.…

A: Given: A die is rolled. We need to find, the probability If X random variable is the outcomes of top…

Q: The probability that eleventh person randomly interviewed in that city is the fourth one to own a…

A: p = 0.25 n = 11 r = 4

Q: Suppose that two persons are working on a project together. The probability that person A works for…

A: Given

Q: Suppose that a family has 7 children.​ Also, suppose that the probability of having a girl is 1/2.…

A: From the given information,Number of children, n=7And probability of girl, P=1/2=0.5.Here, we can…

Q: If one student is chosen at random, find the probability that the student got a 'C' GIVEN they are…

A: Probability of an event when event B is given is determined by,

Q: A die is rolled 8 times. Find the probability of rolling no more than 3 twos

A:

Q: Which of the following values could be the probability that a given event occurs? O a. -0.0128 O b.…

A: We have given that different values of probability. Here, need to find the correct of probability…

Q: Suppose that you roll a 6-sided die two times.  What is the probability that you get a 2 followed by…

A:

Q: If a single 6-sided die is tossed once, find the probability of rolling a number greater than 4. The…

A:

Q: Assume that when adults with smartphones are randomly selected, 43% use them in meetings or dlasses…

A:

Q: Decide whether you can use the normal distribution to approximate the binomial distribution. If you…

A: (a)   Obtain the probability that the number of people who say auto racing is their favorite sport…

Q: The probability of a number cube landing on 5 is 1/6.  If a number cube is tossed 72  times, how…

A: Given that: n=the number of trials=72 p=probability of landing on 5= 1/6   Each toss is independent…

Q: When rolling two fair, 6 sided dice, the probability of rolling doubles is 1/6.  Suppose that elias…

A: Given that  Probability of rolling doubles (P) = 16 Probability of not rolling doubles (1-P) = 1-16…