Suppose X has a Weibull distribution with B = 3 and 8 = 4000 . What is P(X > 4500)?

Q: 34. Find the mean and variance of the distribution P[X=x]=2x, x=1,2,3....

A:

Q: Assume that X is normally distributed with a mean of 12 and a standard deviation of 2. Determine…

A: From the provided information, Mean (µ) = 12 Standard deviation (σ) = 2

Q: Denote the sample as X1,...,Xn is exponentially distributed Show the distribution of X-u in deitels

A: Given  Sample asx1 , x2 , ....... , xn is exponentially distributed

Q: Suppose that an airline quotes a flight time of 2 hours, 10 minutes between two cities. Furthermore,…

A:

Q: d) Due to the symmetry of the normal distribution we know that P(X > 28) = P(X < ).

A: GivenMean(μ)=44standard deviation(σ)=8Let "X" be the length(in cm) of aneel

Q: • For a distribution the mean is 10, variance is 16, Y₁ is + 1 and B₂ is 4. Obtain the first Four…

A:

Q: For a distribution the mean is 10, variance is 16, y, is +1 and B, = 4. Obtain the first four raw…

A:

Q: Suppose that X2 points is normally distributed with n = 200 and p = 0.4. Approximate the probability…

A: Given that  n=200 , p=0.4

Q: The t distribution is appropriate to use when?

A: Condition for t distribution

Q: Suppose that in a certain class, grades will be given in a uniform distribution where a = 80, b =…

A: Given that  f(x)= 1/(b-a)     , a&lt; x &lt;b X~Uniform ( a ,b) a=80  , b=100

Q: Suppose X takes the value 1 with probability P, and the value 0 with probability (1-P). The…

A: Variance formula is:

Q: Suppose that X has an exponential distribution with a mean of 35. What is P(X<7) ?

A: Given that, The provided mean is β = 35

Q: What is the mean of the geometric distribution given by

A: It is given that, X is a geometric variate with its pmf, P(x)=3-x = P(x)=(1/3)x ; x=0,1,2,.... We…

Q: Assume a poison distribution if A = 3.7, find P(x=0) A represents a

A: We have given that,  Let X be random variable from Poisson distribution and A = 3.7, which is a…

Q: Dandelions are studied for their effects on crop production and lawn growth. In one region, the mean…

A: Dandelions are studied for their effects on crop production and lawn growth. In one region, the mean…

Q: Dandelions are studied for their effects on crop production and lawn growth. In one region, the mean…

A: Dandelions are studied for their effects on crop production and lawn growth.In one region, the mean…

Q: If X is exponentially distributed with a mean of 3, can you find a uniform distribution U[a,b] with…

A: The provided information is as follows:The  is exponentially distributed with the mean 3..The mean…

Q: Suppose x has a distribution with ? = 84 and ? = 8 Find P(80 ≤ x ≤ 85). (Round your answer to four…

A: Given: Let  μ=84, where μ is the population meanσ=8, where σ is the population standard deviation

Q: 6. Use R: Suppose the yearly income of people in Minnesota is normally distributed with mean 45700…

A: The given mean is 45700 and standard deviation is 2830.

Q: Suppose X follows a binomial distribution with parameters n and p. Let Y = n − X. Show that Y is a…

A: It is given that  X follows a binomial distribution with parameters n and p i.e. X~bin(n,p) We have…

Q: the time X that a lightbulb can last (life lenght) is a distribution with mean 1 year and standard…

A: The probability that the average life length of the lightbulbs is greater than 1.02 years is 0.3446,…

Q: If a random variable X ∼ Exponential(1). Find the distribution of Y = X/λ.

A:

Q: Dandelions are studied for their effects on crop production and lawn growth. In one region, the mean…

A: Since the probability for the given variable (that is discrete in nature), i.e., the probability of…

Q: For a discrete distribution, show that B, 2 B,.

A:

Q: Find MLE for the parameter of the Binomial distribution.

A: Answer: For the given data,

Q: Dandelions are studied for their effects on crop production and lawn growth. In one region, the mean…

A: Given: The mean number of dandelions per square meter is λ = 8 Formula Used: If a random variable X…

Q: Find the are below 13 for a N(15,5) distribution

A:

Q: ark has a batting average of 0.17. Let X be the number of hits in his next 16 at bats. What is the…

A: Given that Mark has a batting average of 0.17. Let X be the number of hits in his next 16 at bats.…

Q: Assume Y follows theX5 distribution. Assume c₁ and c2 satisfy P(Y > c₁) = 0.05 and P(Y < c₂) = 0.05.…

A: It is of interest to find the values of c1 and c2, using the given conditions.

Q: 4. If T follows a 17 distribution, find to such that (a) P(T| to) = .05.

A: It is given that T follows a t distribution with  degree of freedom. Here we need to find t0 such…

Q: Suppose x has the B(20, 0.5) distribution. Fint the P(x>10).

A: Givenn=20p=0.5x~Binomial(n=20,p=0.5)P(X=x)=nx×px×(1-p)n-x  ;   x=0,1,...,n

Q: How often was it above - 3°C at noon in Ajax last winter?

A: The noon-day temperature (in °C) in Ajax last winter can be represented by the normal distribution…

Q: Which statement is true about these 2 distributions? set A 01 2 3 4 5 6 7 8 9 10 set B ● 0 1 2 3 4 5…

A: The dot-plots of the distribution are given as follows:

Q: A box contains 2000 items, of which 10% are defective. Let X be the number of defectives obtained in…

A:

Q: he chance of an IRS audit for a tax return with over $25,000 in income is about 2% per year. We are…

A: The objective of the question is to find the distribution of the number of audits a person with an…

Q: For a distribution, the mean is 10, variance is 16, y, is + 1 and B, is 4. Obtain the tirst tour…

A: Given that, for a distribution,  the mean is 10, variance  is 16, γ1 is +1 and β2 is 4. We need to…