Match each of the following random variables to the most appropriate distribution for that random variable, among those you studied in this class. The number of expressed train in a group of 50 trains that are either normal or expressed [ Choose ] The number of expressed train arrived in a [ Choose] train station The waiting time between two expressed ( Choose ] trains at a train station The number of normal train arrives in a train [ Choose ] ctoti > > >

Q: Experiment: A six-sided die is rolled 18 times and the number of twos that come up is tallied. If…

A: It is interpreted that a die (with six-side) is rolled 18 times. Each roll can be defined as success…

Q: The average build time for a grand piano is 73.1 hours with a standard deviation of 4.3 hours.…

A: P(X>=76) = 1-P(X<76)

Q: The braking distances of a Honda CRV can be approximated by a normal distribution, where the mean is…

A:

Q: A box contains 5 balls. Two are numbered 1, one is numbered 2 and two are numbered 3. The balls are…

A:

Q: A study carried out to determine if the average house price has changed since 2015. A random sample…

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Q: 15. Which is a discrete random variable? X = "weight of the microprocessor inside your computer" Y =…

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Q: If the weight of the students expressed by ?“a random variable” with a distribution of N(μ, σ),…

A:

Q: You are investigating insurance fraud that manifests itself through claimants who file claims with…

A: Chi square test is used to understand whether there is any association or relationship exist between…

Q: If the standard deviation of a random variable X is 20  and a random sample of size n =17,  is​…

A: From the provided information, Standard deviation of a random variable X (σ) = 20 Sample size (n) =…

Q: nsurance companies know the risk of insurance is greatly reduced if the company insures not just one…

A: Given : For Joel X1 =51.1  &  standard deviation =13.4 For David X2=51.1 & standard…

Q: If x represents a random variable with mean 110 and standard deviation 14, then the standard…

A: If x represents a random variable with mean 110 and standard deviation 14. μ=110σ=14 sample…

Q: Suppose that the duration of a particular type of criminal trial is known to have a mean of 18 days…

A:

Q: The braking distances of a Honda CRV can be approximated by a normal distribution, where the mean is…

A: GivenMean(μ)=53standard deviation(σ)=3.8

Q: busy restaurant on Wednesdays follows a Normal distribution with mean 4,365 and standard deviation…

A:

Q: A population has a variance of 867. We take a random sample of size 47 from this population. Let…

A:

Q: If x represents a random variable with mean 117 and standard deviation 40, then the standard…

A: Given : Mean , u = 117  standard deviation, σ = 40

Q: Suppose that a poll of 18 voters is taken in a large city. The random variable x denotes the number…

A: Solution-: Given: n=18,p=0.43 (Or 43%) What is the mean and standard deviation of X?

Q: random variable X has a mean value of 20 with a standard deviation of 4.  If we obtain a random…

A: The probability that the sample average of X is at most 19 = P(X<=19) = 0.0228

Q: The number of customers served at a busy restaurant on Wednesdays follows a Normal distribution with…

A:

Q: If x represents a random variable with mean 136 and standard deviation 21, then the standard…

A: The CLT defines the sampling distribution of sample means. It states that, when the sample size is…

Q: Suppose a population consists of the scores of 5 students in a certain examination, as follows: 8,…

A: Note: "Since you have asked multiple questions, we will solve the first question for you. If you…

Q: The height of 12-year-old children is considered to be continuous random variable which obeys a…

A: Mean()=125Standard deviation()=15

Q: Suppose data X1, ..., Xn are sampled from the population, sample mean is a random variable

A: It is given that Sample : x1, x2,......,xn

Q: n a large high school of 2500 students, the mean number of cars owned by students’ families is 2.35…

A: Solution

Q: A random variable X has a mean value of 20 with a standard deviation of 4.  If we obtain a random…

A:

Q: The number of ants per acre in a forest is normally distributed with mean 42,000 and stands…

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Q: The weights of cans of Ocean brand tuna are supposed to have a net weight of 6 ounces. The…

A: Given Mean=5.95 Standard deviation=0.24 N=45

Q: The weight of a male bald eagle has approximately a normal distribution with mean = 7.4 pounds and a…

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Q: If all the possible random samples with n = 36 scores are selected from a normal population with µ =…

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Q: The average time it takes all customers to fill out a form is 10 minutes, with a population standard…

A: Give that the information we need to identify the correct option

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Q: Suppose that we are interested in the mean number of points scored by a basketball team in a given…

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Q: What theorem will let us treat T and M as approximately normal random variables? Monte Carlo…

A: Let X represents the fracture strength of the glass. a) Central limit theorem According to this…