If a random variable X has the X² distribution with degree of freedom 17. Then P(6.408 < X < 12.002) = 0.45 0.24 0.34 0.19

Q: Let X represent a binomial random variable with n = 170 p = 0.21. Round your final answers to 4…

A: From the information, given thatLet X denotes the binomial random variable with the probability of…

Q: A discrete random variable x follows uniform distribution and takes the values 6, 8,10, 12, 18. The…

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Q: Consider a random variable X that follows a uniform distribution with a= 1 and b = 4 Find the…

A: Answer: From the given data, X follows a uniform distribution, a = 1  and b = 4

Q: random variable X is normally distributed with a mean of (34) and a varianve of (36). The…

A:

Q: Q7- If the random variable X is normal with mean 4 and standard deviation 2, then what is P(X² – 8X…

A: Given: X~ N (μ=4 ,  σ = 2) mean= μ = 4 standard deviation = σ = 2 Calculation: then find  P(X2-8X…

Q: 2.90 Random variables X and Y follow a joint distribution f(x, y) = {2, 0<x<y <1, elsewhere.…

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Q: Suppose 'W' is the width of all toilet seat covers used by all hotels in Paris. Suppose 'W' is…

A: n=36, mean μ=15 and the variance σ2=9 so the standard deviation is σ=3 Since the sample size is more…

Q: X is a random variable follows a Poisson distribution with a mean of 5 Find the probability p(x =…

A: X is random variable follows a poisson distribution with mean of 5 λ=5x~Poisson(λ=5)P(X=x)=e-λ×λxx!…

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: Let X be a geometric random variable with parameter p = 0.1 and range space x 1 Evaluate th habilib:…

A: Let X be the geometric random variable with parameter p=0.1 PX=x=1-px-1p, x=1,2,3,...…

Q: The random variable X takes integer values starting from 1, and has a geometric distribution with…

A: Since the random variable X follows geometric distribution with mean m,  The probability mass…

Q: let X denote a random variable that has a Poisson distribution with mean y = 3 find p(x≥4/x≥2)

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Q: the random variable X takes integer values starting from 1and has a geometric distribution with mean…

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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: Let Z be a standard normal random variable. Calculat (a) Pr(-1.3 < Z < 0) (b) Pr(.25 s Z)

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Q: Let X denote a random variable that has a Poisson distribution with mean lamda = 2. Find P(X >= 4|X…

A: P.d.f. of Poisson distribution is given by,. p(x)= e-λ λx/x!  Here we've to find,…

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: A random variable X has a Poisson distribution with mean 1.6. Find: i. P(X=2) ii. P(2<X<4) iii.…

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Q: Suppose that X is a continuous random variable that follows a normal dis- tribution with mean 68. If…

A: Solution: Let X be the continuous random variable having normal distribution with mean μ= 68…

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: 3. (18/222, Expected Value and Variance) The Philippine Housing Survey reported the following data…

A: E(X)= ΣXi*fi/Σfi  fi represents the renter-occupied houses.  E(X)=…

Q: X is a random variable follows a Poisson distribution with a mean of 5 Find the probability p(x =…

A: Answer: From the given data, X follows Poisson distribution, mean (μ) = λ = 5 X = 4

Q: A Gaussian distribution of the ground clearance of aircraft flying in the sky. Suppose there is a…

A: It was stated that a Gaussian distribution of the ground clearance of aircraft flying in the sky.…

Q: Determine the standard normal random variable (z) for P(X > 80) Suppose X be a normally distributed…

A: Solution-: Given: μ=65,σ=13 We want to find the standard normal random variable (z) for P(X &gt; 80)…

Q: According to one study among a certain people group, pregnancy lengths are approximately normally…

A: Let X be the number of premature babies born to these mothers.

Q: able Z follows a standard distribution, find p(-1.2<Z<1.2)

A: USe standard nomla table to find the rporbabiloities corresponding to the given z values.

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: 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: 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: ppose that a random variable X has the uniform distribution o tegers 10,..., 20. Find the…

A: Given Total samples =11(10,11,12,13,14,15,16,17,18,19,20) Even number=10,12,14,16,18,20

Q: If a random variable X has the x² distribution with degree of freedom 13. Then P(4.107 < X < 9.299)…

A: Given : df = 13

Q: A random variable is normally distributed with and. Find the probability (i) that it will fall…

A: In this context, since the mean and standard deviation is not given, we are considering μ=50 and…

Q: For the random variable Z follows a standard distribution, find P(-1.2<Z <2.1)

A: Given data: For the random variable Z follows a standard distribution, To find ; P(-1.2&lt;Z&lt;2.1)

Q: Suppose that the population mean flight time between cities 1 and 2 is 240 minutes with a population…

A: Given that.   X~N( μ , ?^2 )   μ=240     , ?=20   Z-score =( x - μ )/?

Q: 1. n = 30 and p = 0-6 2. n = 50 and p = 0.45 3. n = 80 andp= 0.35

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer three sub-parts at a…

Q: Suppose X is a binomial random variable with parameters n=10 and p=0.3 Calculate the mean and…

A: The mean of X is 3. The variance of X is 2.1.  Explanation:Step 1: If X follows binomial…

Q: Let X random variable distribute as normal N(-1 , 0.25) then P(z > - 2.5) equal: a. 0.9987 b. •…

A: Given data,μ=-1σ2=0.25σ=0.5P(z&gt;-2.5)=?

Q: Let x2-z,2+ z22. Za is chi-square distribution random variable, where df = 54. What is the standard…

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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: wwww.www e parameters belonging to the distribution are the triangle with i = (12,17,18) and ô %3D…

A: The probability that 13 &lt; x &lt; 16.5 is equal to the blue area under the curve.