Suppose that X is a discrete random variable with

Q: If continuous random variable X is normally distributed with µ = 256.43 and σ = 27.11, what is…

A:

Q: Suppose that the random variable x f (x) = { Set-2 0, for x < 2 el sewhere Determine the 75th…

A: Solution: From the given information, the probability density function of X is

Q: Let X be a discrete random variable and Y be a continuous random variable. Which of the following…

A: Let us consider the X to be a discrete random variable and Y to be a continuous random variable. We…

Q: Suppose that X is a normally distributed random variable with mean 12. If P(X>15)=0.3192…

A: (As per bartleby guidelines, for multiple questions asked, only the first question will be solved.…

Q: Let X be a Poisson random variable with mean 2. If P[X = 1|X <1] = 0.8, what is the value of 2?

A:

Q: two students will be picked from a pool of students and W is a random variablethat pertains to the…

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

Q: Identify the given random variable as being discrete or continuous. The braking time of a car

A:

Q: What is a discrete random variable?

A: DISCRETE RANDOM VARIABLE →Discrete random variable is a random variable with a finite or a countable…

Q: A) Suppose that X is a random variable with if 0 < x < 2 fx(x) = otherwise

A: We have to find the var(x)  Using formula  Var(x) = E(x^2) - [E(x)]^2

Q: Show that X and Y are both zero-mean random variables and that they uncorrelated.

A:

Q: Let X be a random variable representing the number of Vitamin C packs, that a pharmacist sells per…

A: Given, The pharmacist sells on the average 5 Vitamin C packs per hour Let X be a random variable…

Q: Suppose that the joint CDF of the random variables X and Y is given by 0, x < -2 or y < –5

A: Given that Fx,y=0, x&lt;-2 or y&lt;-538, -2≥x&lt;2, -5≤y&lt;312, x≥2 and -5≤y&lt;312, -2≤x&lt;2 and…

Q: Show that if a random variable has a uniform den-sity with the parameters α and β, the probability…

A:

Q: is x discrete or a continuous random variable

A:

Q: Suppose that 15% of a population is red-headed, and 10% of the same population is left-handed. If…

A: It is known that, if two events A and B are independent, then P(A and B) = P(A)P(B).

Q: Which random variable X is a discrete variable?

A: The number of degrees of the liquid can be in decimal. It can take any real value. So it is a…

Q: What is the probability that x will be between 75 and 78 if random sample of size 100 is taken from…

A: h

Q: For a poisson random variable (x) with a mean of 6.6; P(X≤1)?

A: Solution:From the given information, the random variable x follows Poisson distribution with mean as…

Q: Let X₁, X2,..., X17 be 17 independent and identically distributed random variables. If the sample…

A:

Q: If a random variable X has a Poisson distribution with P(X = 1) 2P(X = 2). What is P(X = 3)? %3D 2

A: Hence,  Option (a)  e^-1/6 , is the correct✅ choice.

Q: Suppose that a random variable x has a uniform distribution to the integer 10...20. Find the…

A: * SOLUTION :-

Q: Let X be an exponential random variable with mean 1 and X, a gamma random variable with mean 2 and…

A: Hello! As you have posted 2 different questions, we are answering the first question. In case you…

Q: Suppose that X is a binomial random variable with n=3 and p=0.22. What is the mean of the random…

A: It is given that X is a binomial random variable with probability of success , p=0.22 and number of…

Q: Suppose that X is a random variable with = { k(x° +æ), 0<x< 2; 0. fx(x) otherwise,

A: Given,   a) We know that,

Q: If the random variable X has a Poisson distribution where the lambda equals 7, Then the probability…

A: Givenλ=7x~poisson(λ=7)P(X=x)=e-λ×λxx!   x≥0

Q: Give an example of two different random variables which have the same probability distribution (and…

A: 1) Considering a 6 face fair die  Let random variable X represents the outcome we get when we roll…

Q: Suppose that the joint CDF of the random variables X and Y is given by: 0, x < -2 or y < -5

A: Given that Consider, the density function,

Q: Suppose X is a random variable with mean 10 and variance 9. Then P( 4 < X < 16) is greater than 0.5.…

A: Question 1: Let X is a random variable with mean 10 and variance 9. The value of P4&lt;X&lt;16 is,…

Q: .If a random variable X assumes the values 0 and 1 with

A: From the given information,

Q: Let X be the number of heads obtained in 40 independent tosses of a fair coin. Then X is a binomial…

A: Given: Number of tosses (n) = 40 Coin is tossed independently.

Q: Assume that the number of new visitors to a website in one hour is distributed as a Poisson random…

A: Obtain the probability that in any given hour zero new visitors will arrive at the website The…

Q: Suppose that X1, X2, X3 and X4 are all independent random variables, each with a normal…

A:

Q: If x is a random variable that has a uniform distribution in the interval [1,7].[1,7]. What is the…

A: Solution-: Let, X- be the the random variable Given: a=1, b=7 We find, P[the random variable x…

Q: Define the random variable X.

A: The table shows the probability distribution.

Q: Suppose it is known that in a certain community 30% of the households have a micro-wave oven. If we…

A: Givenp=0.30sample size(n)=19Let "x" no.of households will have micro-wave…

Q: Suppose that X is a normal random variable with mean 5. If P(X > 9) = 0.2 ,approximately what is…

A:

Q: Show that the CDF of a geometric random variable with parameter p can be expressed as

A:

Q: Suppose that D and C are two independent random variables such that D has a Ber (q) distribution and…

A:

Q: Consider X is a random variable and has equal probability of being -1,0,+1. What is the correlation…

A: Introduction: The correlation coefficient, ρ, between two random variables, X and Y can be expressed…

Q: Which one of these variables is a continuous random variable?

A: Continuous variables are those variables which can take any value in an specified interval. Discrete…

Q: Classify the following random variables as discrete or continuous. 1.) The number of defective…

A: The following random variables as discrete or continuous: 1). Given statement is: The number of…

Q: Suppose 3% of items manufactured at a facility are defective. A random sample of 600 items are…

A:

Q: If we sample from a small finite population without​ replacement, the binomial distribution should…

A:

Q: A discrete random variable is a random variable if it can take on an infinite number of values.

A: discrete random variable: A discrete random variable has acountable number of possible values. The…

Q: If we sample from a small finite population without replacement, the binomial distribution should…

A:

Q: Are x and y be independent random variables or not?

A: In this question, to check X and Y are independent random variable  here we use the condition…

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.