Determine the mean, variance and standard deviation of the probability distribution following Number of Credit Cards P(x) 0.18 1 0.44 0.27 3 0.08 4 0.03

Q: What is the standard deviation of the probability distribution below? x P(X = x) %3D 10.27 20.28…

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Q: A. Complete the table below and find the mean, variance and standard deviation of the following…

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

Q: Given the probability distribution, find the mean, variance, and standard deviation: -2 -1 1 f(x)…

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Q: The random variable x represents the number of credit cards that adults have along with…

A: It is an important part of statistics . It is widely used .

Q: Find the variance for a given probability distribution. x: 0, 22, 4, 6 p(x): 0.05, 0.17, 0.43, 0.35

A: Given: Probability distribution. The variance is obtained as below:…

Q: Find the indicated probability using the standard normal distribution. P(-3.02 <z< 0)

A: Standard Normal Distribution: A random variable z is said to be a standard normal variable if z…

Q: 1. P(X) X · P(X) X - 4 (X – µ)² (X – µ)² · P(X) 2 1 3 10 1 3 10 What is mean of the probability…

A: Given, X P(X) X.P(X) X-μ X-μ2 X-μ2.P(X) 0 15 0 0-1.3=-1.3 1.69 0.338 1 25 25 1-1.3=-0.3 0.09…

Q: Find the indicated probability using the standard normal distribution. P(z< -1.42)

A: We will use Standard Normal table to find the required probability.

Q: Find the mean, variance and standard deviation for the probability distribution given below: X0 2…

A: mean=E(X)=∑X.P(X)

Q: P(x) x•P(x) | X2•P(x) 19 0.20 20 0.20 21 0.30 22 0.20 23 0.10 2.

A: Given that x P(X=x) 19 0.20 20 0.20 21 0.30 22 0.20 23 0.10 I want to find variance…

Q: The number of sales varies by day from 0 to 5 and is given by the following probability…

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Q: I. Find the variance and standard deviation of each probability distribution below. 1. 2 3 P(X) 0.1…

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

Q: 3. X · P(X) (X – 4)? (х — и)2 . Р(X) X P(X) 1 0.11 0.40 7 0.30 10 0.19

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Q: Consider the probability distribution for number of children in local families. x P(x) 0 0.03 1…

A: For a discrete random variable, X, with probability distribution P(X), the relation ∑PX=1 holds…

Q: A probability distribution of the claim sizes for an auto insurance policy appears in the following…

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Q: What is the standard deviation of the probability distribution below? x P(X = x) 10.27 20.28 30.45 O…

A: The formula of the standard deviation, σ, is given by σ=∑x-μ2·P(x) where μ is the Expected value or…

Q: The table below shows the probability distribution for X, where X represents the number of…

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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: Find the variance and the standard deviation of the probability distribution. 3. 4 . 6. PN) 0.09…

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Q: Calculate the mean, the variance, and the standard deviation of the following discrete probability…

A: Given the discrete probability distribution as follows: x 5 10 15 20 P(x) 0.35…

Q: Find the a) mean, b) standard deviation and c) variance of the given probability distribution. 1)…

A: Solution-: We have given table: x P(x) 3 0.14 6 0.05 9 0.36 12 0.35 15 0.10 We…

Q: a. Construct a probability distribution below. P(X) b. Calculate the mean, variance, and standard…

A: HERE from given information make probability distribution table and use it for mean and variance…

Q: Complete the table below and find the mean, variance and standard deviation of the following…

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Q: The number of defects per 1000 machine parts inspected Defects 0 1 2 3 4 5   Probability 0.264 0.296…

A: The given probability distribution shows the values of defects (X) and their respective probability…

Q: A. Use the Table of Standard Normal distribution to determine corresponding probabilities of the…

A: Solution

Q: A probability distribution of X, which can take only the values 1, 2, and 3, given that P(1) = ,…

A: Given that Probability distribution function.  X 1 2 3 P(x) 2/5 1/5 2/5

Q: A survey shows the probability of the number of automobiles that families in a certain housing plan…

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Q: Find the variance and standard deviation of each probability distribution below. 2 3 P(X) 0.1 0.45…

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Q: Find the variance and standard deviation of the probability distribution of random variable X if…

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Q: A firm's marketing manager believes that the total sales for the firm next year can be modeled using…

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Q: Find the mean, variance, and standard deviation for the probability distribution given below:   X…

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

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Q: Find the expected value and standard deviation of the following. X probability 0 0.4 1 0.2 2 0.4

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Q: What is the standard deviation of the probability distribution below? x P(X = x) 10 .27 20 .28 30…

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Q: A market research team compiled the following discrete probability distribution for families…

A: discrete probability dist

Q: find the mean, variance, and standard deviation of the binomial distribution with the given values…

A: We know that if X ~ B(n, p) then,  Mean(X) = E(X) = np Variance(X) = np(1-p) Standard deviation (X)…

Q: Find the mean, variance and standard deviation for the probability distribution given below: x -4 6…

A: a.) Mean=∑x={-4,6,11,8}x×P(x)=(-4)×0.564+(6×0.144)+(11×0.22)+(8×0.072)=-2.256+0.864+2.42+0.576=1.604

Q: 2. Given the probability distribution, find the mean, variance, and standard deviation: -2 1 2 f(x)…

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Q: The number of defects per 1000 machine parts inspected Defects 0 1 2 3 4 5…

A: Mean:The mean for the probability distribution is calculated using the following formula:

Q: Find the mean, variance and standard deviation for the probability distribution given below: -3 10…

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Q: Construct a probability distribution for the data and draw a graph for the distribution.  Find the…

A: The probability distribution is given by:

Q: When three coins are tossed, the probability distribution for the random variable X representing the…

A: Mean=E(X)=μ=∑X.P(X)

Q: X P(X) X · P(X) (х — и)2 (X – µ)² · P(X) 0.05 10 0.34 15 0.26 20 0.25 25 0.10

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Q: Calculate the mean, variance, and standard deviation of a binomial probability distribution, using…

A: Given information- Since the given problem is of Binomial distribution. Here, Probability of…

Q: 1. Variable z representing the number of male teachers per Elementary school. 2 3 4 P(z) 40% 32% 11%…

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Q: 3. Find the mean, variance and standard deviation of the following probability distribution. P(x) 1…

A: (3)  Let X be the random variable having probability mass function is,  X p(x)  1 0.15 2 0.30…

Q: Find the mean, variance, and standard deviation of the random variable having the probability…

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Q: 2. The probability that a customer will buy 1, 2, 3, 4, or 5 items in a grocery store are 3 1 1 2 3…

A: First, it is required to find the mean of the probability distribution. The mean is computed by…

Q: The number of students using the School Bus per day is found in the distribution below. 15 25 10 12…

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