Suppose the random variable X has the binomial distribution with parameters n=8 and p=0.67. Consider the random variable Y=3X. Then Y will also have a binomial distribution. True or false?

Q: Suppose X is a binomial random variable where the probability of success on a single trial is 0.89…

A: From the provided information, Sample size (n) = 617 Probability of success p = 0.89

Q: ssume that a procedure yields a binomial distribution with a trial repeated n=17 times. Find the…

A: given data, binomial distributionn=17x=6p=0.69q=1-0.69=0.31p(X=6)=?p(X=x)=nCx*px *qn-x ( binomial…

Q: Each one of these random variables has a named distribution from the previous page. Give the name of…

A: a)  You find a 1-gram zircon crystal which contains about 1015 atoms of Uranium-238. The average…

Q: Suppose X is a continuous random variable with mean of 60 and standard deviation of 10. What is the…

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Q: ppose that x is a binomial random variable with n=200 and p=0.4. Find the probability (p=<70) based…

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Q: If   n =41  and    p=0.6  then the variance of the binomial distribution is

A: X~B(n,p)P(X=x)=nxpx(1-p)n-x                     x=0,1,2,3,...,nE(x)=mean=npvariance=np(1-p)

Q: Tunct If X-b(n, p), find the mean and variance for the random variable X n

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Q: A discrete random variable x has the the following probability distribution..Find the value of k?…

A: We have to find value of k.

Q: If the random variable X is uniformly distributed between 10,000 and 12,000, then what is the mean…

A: From the provided information, X is uniformly distributed between 10,000 and 12,000. X~U (a, b) Here…

Q: The mean of a binomial distribution is 3 and variance is 3/2. Find the ility of (i) 0 success (ii) 2…

A: 5 Mean of binomial distribution is 3 Variance=3/2 That is, np=3np(1-p)=323(1-p)=321-p=12     p=12…

Q: Let x1,...x40 be IID binomial random variable with parameters p = 0.3 find the mean and variance of…

A: Let x1,...x40 be IID binomial random variable with parameters p = 0.3 We need to find the mean and…

Q: A surgeon routinely performs 4 surgeries. The chance the he performs surgery A is 30%. A random…

A: State the criteria for a binomial distribution and determine whether it does or does not meet each…

Q: Person P goes jogging with his dog every day. He decides to model with independent random…

A: In statistics, it is common to use probability distributions to model random events or phenomena.…

Q: Q/ The probability distribution of random variable X is: 3. P(x) 0.1 0.3 0.5 0.1 iTY-X+2X Find: 1.…

A: Given Y= X2+2X So we find Y for every X X 0 1 2 3 Y 0 3 8 15 P(Y) 0.1 0.3 0.5 0.1

Q: Explain why X can be modeled by a binomial distribution even though the sample was selected without…

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Q: Exercise 1 Complete the table below and find the variance and standard deviation of the following…

A: Note:  We'll answer the first question since the exact one wasn't specified. Please submit a new…

Q: If the variance of the discrete random variable X = 36

A: Variance is 36

Q: Suppose we have a random variable X distributed as a Bernoulli distribution with p = 0.5. What is…

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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: Suppose x is a normally distributed random variable with mean = 14 and st.dev = 2 . Find the…

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Q: The random variable X has a binomial distribution with parameters n = 8 and p = 0.30. what is…

A: The formula for binomial distribution is, PX=x=nxpx1-pn-x

Q: Suppose X is an exponentially distributed random variable with mean 1. Then the median of the random…

A: let X be the exponentially distributed random variable with mean=1 Then we have to check whether the…

Q: q-1The random variable x is known to be uniformly distributed between 0.5 and 2.5. What is the…

A: It is given that X follows Uniform(a = 0.5 and b = 2.5)

Q: mean

A: Given that  The mean (μ) equal to 10 and standard deviation (σ) equal to 2.

Q: The Random Variable X counts the number of students in a 23 person class who passed an exam. If the…

A: The Random Variable X counts the number of students in a 23 person class who passed an exam.  If the…

Q: upper bound to the probability that the child’s time playing video games on a given day will exceed…

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Q: The random variable X has a binomial distribution b(11, p). If P(X =8) = P(X =7), find the value of…

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Q: Suppose that 70% of civil servants in South Africa are trade union members. Using the binomial…

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Q: Suppose a biologist is interested in monitoring the number of oak trees with oak wilt per acre. The…

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Q: Thirteen percent of U.S. employees who are late for work blame oversleeping. You randomly select…

A: Solution: Note: Hello! As you have posted more than 3 sub parts, we are answering the first 3…

Q: Let the random variable X follows binomial distribution with parameters 14 and 5/12.

A: given information: n=14 p=5/12=0.41666 we wants to calculate P( X≥2)  P(X≥2 )=∑i=214nCxi *pxi…

Q: Caden is a perfectionist.  He needs to make 40 widgets.  Unfortunately, each time Caden attempts to…

A: Negative Binomial Distribution: If we have a sequence of trials each having two outcomes, say…

Q: In a certain population of people, the chance of a person having a fatality is 2.7% and this is…

A: Given information- We have given that the chance of a person having a fatality is 2.7%. P = 0.027…

Q: Suppose only 40% of all drivers in a certain state regularly wear seatbelts. A random sampleof 400…

A: Given,n=400p=0.40mean(μ)=npμ=400×0.40=160standard deviation(σ)=np(1-p)σ=400×0.40(1-0.40)σ=9.79796

Q: When a random variable X follows binomial distribution, the probability of a success on one trial is…

A: Answer: From the given data, Probability of success (p) = 0.8 number of trials (n)  =  33, X follows…

Q: Determine, (1) Mean lifetime of these batteries (ii) Probability that such battery will last more…

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Q: A binomial random variable X reveals p=100 and o=20. Calculate P{X=101}.

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Q: 10. Consider the random variable X whose probability distribution is given below: X Pr(X =r) 2k 5k…

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Q: Find the probability of x=19x=19 successes given the probability p=0.66p=0.66 of success on a single…

A: The probability of success is p = 0.66 Number of trials n = 20 Let X denote the number success in 20…

Q: Suppose x is a uniform random variable with a = 20 and b = 60. Find the probability that a randomly…

A: From the given information, Consider, X be the random variable that follows uniform distribution.…

Q: X is the Binomial Random Variable which counts the number of students who passed an exam. If the…

A: Here, n=46 and p=0.89.

Q: It is said that the number of traffic accidents in Sinchon Rotary follows the Poisson distribution,…

A: Given that the number of traffic accidents in Sinchon Rotary follows the Poisson distribution with…

Q: A random variable follows a binomial distribution with a probability of success equal to 0.62. For a…

A: The binomial probability distribution is, PX=x=nxpx1-pn-x In the formula, n denotes the number of…

Q: 2/5  is tossed four times. Let X is a random variable which denotes the longest string of tails…

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.