Consider the following probability distribution. Xi P(X = xi) 10 0.06 13 0.33 16 0.23 19 0.38 The expected value and standard deviation are and respectively.

Q: The discrete random variable X has the probability distribution given by: x -3 1 3 5 7 P(X=x) 2r…

A: As per Bartleby guideline expert have to answer first three subparts only dear student please upload…

Q: Calculate the mean and standard deviation of the discrete probability distribution. 0 P(x) 0.027 X 1…

A: Mean(μ)=E(X)=∑X.P(X)E(X2)=∑X2.P(X)Variance(σ2)=E(X2)-E(X)2Standard deviation(σ)=E(X2)-E(X)2

Q: A random variable X has the following probability distribution. Values of X -1 1 Probability 0.22…

A: We have given that Values of x -1 0 1 ProbabilityP(x) 0.22 0.56 0.22

Q: The probability distribution of a random variable X is given.  x     450     500     500     555…

A: Given Data: x P(X=x) x P(x) x^2 P(X) 450 0.1 45 20250 500 0.2 100 50000 500 0.1 50 25000…

Q: The probability distribution of a random variable X is given. x     −4         −2         0…

A:

Q: Use the probability distribution to complete parts (a) and (b) below. The number of defects per 1000…

A: Given data is  Defects 0 1 2 3 4 5 Probability 0.262 0.301 0.243 0.138 0.042 0.014

Q: Determine whether the probability distribution is given.  If so, find the mean, variance and…

A: The objective is to determine whether the given the probability distributions are valid.  If so, we…

Q: Let X   be a random variable with the following probability distribution. Question table Value…

A: 20 0.3 6 400 120 30 0.05 1.5 900 45 40 0.4 16 1600 640 50 0.15 7.5 2500 375 60 0.1 6 3600…

Q: x P(x) 0 0.25 1 0.15 2 0.3 3 0.3 Find the standard deviation of this probability distribution.…

A:

Q: The probability function for a discrete event x is given in the table below. Calculate the expected…

A:

Q: Find the expected value for the following probability distribution: X            0    5     10  15…

A: X            0    5     10  15 P(x)     0.2 0.3 0.25 0.25

Q: The following table is a probability distribution for the random variable x. X P(x) 5.0 25% 10.0 50%…

A: Given, X 5 10 15 P(X) 0.25 0.50 0.25

Q: Find the standard deviation. Houses Sold (x) Probability P(x)

A:

Q: Use the probability distribution t complete parts (a) and (b) below. The number of defects per 1000…

A:

Q: A discrete random variable X is defined by the following probability distribution. Calculate the…

A: Given : X is probability distribution To find : Standard deviation

Q: Let X be a random variable with the following probability distribution: X -4 3 5 f(x) 0.3 0.2 0.5…

A: Given,E(X)=∑X.f(X)

Q: Q.3. Consider the following discrete probability distribution: P (x) 0.1 10 0.15 15 0.25 20 0.5 (a).…

A: We want to find the  (1) mean of random variables (2) mean of the pmf  (3) sd of the pmf

Q: A discrete random variable X has the following probability distribution: -4 -3 -2 -1 2 3 0.05 0.075…

A:

Q: A random variable X has a probability distribution function as follow: X P(X=x) 0.3 15.2 12.5 1 15.5…

A:

Q: ution, and interpret the value of the mean pability 0.15 0.29 0.25 0.18 3. 2. 1,

A: First, we will calculate the μx.  The formula and calculations is shown as follows: μx=x*P(X=x)…

Q: Calculate the expected value for the following probability distribution: X 1 2 3 4 3.00 2.45 11.00…

A: The given probability distribution is:XP(X)10.1520.3530.440.1For the discrete random variable, Xi…

Q: Let X be a random variable with the following probability distribution. Question table Value   of X…

A: Probability distribution is,   x p(x) 1 0.10 2 0.60 3 0.15 4 0.10 5 0.05

Q: For the random variable X defined by the probability function below, answer the following questions.…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: Calculate the mean and standard deviation of the discrete probability distribution. T 0 P(x) 0.15 5…

A: According to the given information in this question We need to find mean and standard deviation

Q: Do you carpool? Let  X  represent the number of occupants in a randomly chosen car on a certain…

A: We let X be the number of occupants in a randomly chosen car on a certain stretch of highway during…

Q: The following table provides a probability distribution for the random variable x. (a)Compute E(x),…

A: We have given the following probability distribution table  x f(x) 8 0.25 16 0.50 24 0.25

Q: P(x) 0 0.15 1 0.05 2 0.05 3 0.75 Find the standard deviation of this probability distribution. Give…

A:

Q: The discrete random variable X has the following probability distribution: -10 0 10 p(x) 0.20 0.40…

A:

Q: Find the expectation, variance, and standard deviation of the following probability distribution: x…

A: Expectation=E(X)=∑i(xipi)=-1(0.3)+0(0.1)+1(0.1)+2(0.3)+3(0.2)=1

Q: Determine the required value of the missing probability to make the distribution a discrete…

A: We have given  x 3 4 5 6 P(X=x) 0.24 ? 0.21 0.27

Q: randomly selected to gather data in the hours spent per week edule of STATPRO. The table below shows…

A: Solution

Q: Let X be a random variable with the following probability distribution: X -2 3 5 f(x) 0.5 0.2 0.3…

A: population mean : μ = E(x)

Q: Compute the mean and variance of the following probability distribution. (Round your answers to 2…

A: See the handwritten solution

Q: B. Find the variance and standard deviation of each probability distributions. You may use the space…

A: From the provided information, 1) The probability distribution table is as follow: X 0 1 2…

Q: What is the mean of the discrete random variable X with the following probability distribution?…

A: xP(x)10.2020.1030.2040.2550.25Find mean of the probability distribution.

Q: The random variable X has the following probability distribution: X 1 3 P(x) 0.05 0.25 0.35 k The…

A:

Q: The probability distribution below is for the random variable X the number of credits taken by a…

A: The given probability distribution is:

Q: Height (x) (in inches) 54 P(x) 1/23 1/23 5/23 4/23 7/23 4/23 1/23 Frequency 57 1 61 4 62 63 4 67…

A: Solution: Let X be the height in inches. From the given information, the probability distribution of…

Q: Find the variance for the probability distribution 4 0 1 2 3 P(X=x) 0.04 0.18 0.34 0.23 0.21 Select…

A:

Q: Find the mean and standard deviation for the probability distribution below. Round to two decimal…

A:

Q: P(x) 0.05 1 0.1 0.25 3 0.6 Find the standard deviation of this probability distribution. Give your…

A: E(X)=∑ixip(xi)E(X)=0×0.05+(1×0.1)+(2×0.25)+(3×0.6)E(X)=0+0.1+0.5+1.8E(X)=2.4

Q: A random variable X has the following probability distribution. Values of X -1 1 Probability 0.28…

A:

Q: Consider the following discrete probability distribution:  x P (x) 5 0.1 10 0.15 15 0.25 20 0.5…

A: Given: Discrete probability distribution. The expected value of the random variable is obtained as…