The following table lists the probability distribution of a discrete random variable x: x| 2 3 4 5 6 7 8 P(x) 0.15 0.32 0.20 0.13 0.12 0.06 0.02 The standard deviation of the random variable x, rounded to three decimal places, is: i

Q: Consider the discrete random variable X given in the table below. Calculate the mean, variance, and…

A: X P(X) 6 0.1 0.6 36 3.6 8 0.13 1.04 64 8.32 10 0.14 1.4 100 14 12 0.08 0.96 144 11.52…

Q: Consider the finite probability distribution table below. Compute the variance of T, rounded to 4…

A: 0 0.12 0 0 0 1 0.19 0.19 1 0.19 2 0.20 0.4 4 0.8 3 0.49 1.47 9 4.41

Q: The owner of a local movie theater keeps track of the number of tickets sold in each purchase and…

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Q: In the following table, the random variable x represents the number of students that a statistics…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

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

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Q: In the following probability distribution, the random variable x represents the number of activities…

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

Q: Given the following discrete probability distribution, XP(x) 42 0.375 65 0.15 70 0.225 75 0.05 90…

A: Note: Since, you have asked multiple question, we will solve the first question for you. If you want…

Q: Consider the following probability distribution. Xi P(X = xi) 10 0.06 13 0.33 16 0.23 19 0.38 The…

A: Expected value: x P(X=x) x*P(X) 10 0.06 0.6 13 0.33 4.29 16 0.23 3.68 19 0.38 7.22…

Q: The number of cars sold per day at a local car dealership, along with its corresponding…

A: Given data is X 0 1 2 3 4 P(X) 1/10 2/10 3/10 2/10 2/10

Q: In the probability distribution to the right, the random variable X represents the number of…

A: Solution 0 0.269 0 0 0 1 0.571 0.571 1 0.571 2 0.123 0.246 4 0.492 3 0.031 0.093 9…

Q: Consider the discrete random variable x given in the table below. Calculate the mean, variance, and…

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

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Q: The random variable X, representing the number of errors per 100 lines of software code, has the…

A: Given that, The random variable X, representing the number of errors per 100 lines of software code,…

Q: A random variable X has the probability distribution given in the following table: 1 2 3 4 5 (x =…

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

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Q: Consider the discrete random variable X given in the table below. Calculate the mean, variance, and…

A: Note: Thank you for the question. Since multiple questions are posted, according to our policy, we…

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: In the probability distribution to the right, the random variable X represents the number of…

A: Farmula used  E(X)=∑xP(X=x)

Q: A market research team compiled the following discrete probability distribution on the number of…

A: Given that, Probability distribution table is given.

Q: The following table provides a complete point probability distribution for the random variable A.…

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Q: Find the mean of the following discrete probability distribution. And its what is the value of…

A: Reviewing the information Given,

Q: :Consider the probability distribution function X: 1 Probability: 0.2 0.7 0.1 For the above…

A: The given data is discrete data. For this problem, we have to find the variance of X.

Q: Find the following probability by using Standard Normal distribution table: 1. P(-1.27 -2.64) 3.…

A: The given probabilities are 1. P-1.27<Z≤0 2. PZ>-2.64 3. PZ≤0.96 4. P-2.31<Z≤0.82 5.…

Q: The probability distribution of a random variable X is given in the table below: -4 -2 4 .1 P(X = =)…

A: The probability at different values of x is given in the table of problem. The mean or expected…

Q: 2) The number of items sold per day in a sari-sari store, with its corresponding probabilities, is…

A:

Q: If X is a normally distributed random variable with a mean of 10 and standard deviation of 4, then…

A: Given that, Mean = 10 Standard deviation = 4

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

A: Solution

Q: a) The following Table lists the probability distribution of a discrete random variable x: 1 2 4| 5…

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Q: В. Do the following. Find the variance and standard deviation of the probability distribution of a…

A: Variance=EX2-E2(X)=121033+2213+321233-11033+213+31233=4.90909090909-2.060606060612=0.662993572067…

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: Look at the relative-frequency table below of the probability distribution of the discrete random…

A: Given , Relative frequency table of the probability distribution of the discrete random variable X…

Q: Suppose the probability distribution of x, the number of defective tires on a randomly selected car…

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Q: 3. Look at the relative-frequency table below of the probability distribution for the frequency with…

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Q: Consider the probability distribution for a discrete random variable X given in Table 2. 10 20 30 40…

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

A: Calculate the following values. x p(x) x*p(x) x2*p(x) 1 0.214 0.214 0.214 2 0.048 0.096…

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

A: discrete probability dist

Q: Find the probability of the following using the standard normal-distribution a) P( -2.36 < z< -1.36)…

A: The objective of the problem is to find the probability of P-2.36&lt;z&lt;-1.36 and Pz&lt;1.36.

Q: Find the standard deviation of X. O 0.86 O 0.92 O 0.98 O 0.79

A: We have given that the random variable X representing the number of errors per 100 lines of software…

Q: Determine the mean, variance and standard deviation of the probability distribution following Number…

A: Given PMF of X. Now will using this pmf to find required information. x = [0,1,2,3,4] p(x) =…

Q: In the following probability distribution, the random variable X represents the number of activities…

A: For the given data Find the given ( a )( b )( c) and ( d )

Q: Suppose the probability distribution of x, the number of defective tires on a randomly selected car…

A: Let X be the  random variable having probability mass function is,  X 0 1 2 3 4 P(X)  0.54 0.18…

Q: Let X be a discrete random variable with the following probability distribution (see image below).…

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Q: Compute the mean and standard deviation of the random variable with the given discrete probability…

A: Ans - Given table     x P(x) x*P(x) x2P(x) -6 0.25 -1.5 9.0 -5 0.11 -0.55 2.75 6 0.23 1.38…

Q: Consider the following probability distribution for a discrete random variable X. Find the missing…

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Q: A discrete random variable, y, has a probability distribution y: 6, 7, 8,9, 10,11 nd P :0.13,0.26…

A: Given See the below excel output

Q: Let x be a random variable with the following probability distribution 1 3 P(x) 0.3 k 0.1 0.2 Find…

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