Given the following probability distribution, what is the expected value (or mean)of X?                            X          P(X)                          -100       0.2                            25        0.1                            50        0.5                          100        0.2

Q: If the following table represent a probability distribution with an expected value of 9.   ? 1 3…

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Q: Consider the following table:   Value of X Probability 0 1/16 1 1/4 2 e 3 1/4 4 1/16…

A: According to the given information, for part (1) it is required to calculate the value of e. Since,…

Q: Given the following probability distribution:      X      P(X)      10    0.1      20    0.4      30…

A: Given data and calculation for the expected value is shown

Q: A survey showed the following probabilities of having X number of cats per household   X = number of…

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Q: For the following probability distribution, find the expected value  E(x). x Pr(x) 1 0.1 2 0.4 3…

A: X PX 1 0.1 2 0.4 3 0.3 4 0.2

Q: Find the mean of the following probability distribution? xx P(x)P(x) 0 0.2716 1 0.2515 2 0.1257 3…

A: We have give discrete probability distribution and we have to find the mean of the X

Q: 13. Given the following relative-frequency table for the probability distribution of X, what are the…

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Q: Consider the following probability distribution: P(X) 1 0.1

A: Condition for valid distribution is  ∑PX=1

Q: Consider the following probability distribution: P(X) 1 0.1 2 ? 3 0.2 4 0.3 What is the mean of the…

A: Introduction:  Probability distribution:  The probability mass function of any discrete random…

Q: Given the following probability distributions below, find the mean, variance and standard deviation…

A: The table has to be obtained: X P(X) X·P(X) X2·P(X) 1 1/7 1/7 1/7 6 1/7 6/7 36/7 11 2/7…

Q: Find the mean, variance, and standard​  ​x​│​ 1​​ 3​​ 6​​10​ deviation of the probability…

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Q: Given the following probability distribution:      X      P(X)      10    0.3      20    0.1…

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Q: Consider the following probability distribution: X P(X) 1 0.1 2 ? 3 0.2 4 0.3   What must be the…

A: Given, X 1 2 3 4 P(X) 0.1 x 0.2 0.3

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: value of the random variable X?   X P(X) 100 .10 150 .20 200 .30 250 .30 300 .10 Sum 1.00 A) 175…

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Q: Find the value of ? that will make the above distribution a probability distribution

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

A: As per our guidelines we are suppose to answer only one question 1)Given x P(x) 1 1/7 6 1/7…

Q: Given the following probability distribution for the variable x, compute the expected value and…

A: The given probability distribution table is, The Expected value of X is,

Q: Based on historical daily stock prices for the first year after an IPO, the typical rate of return…

A: Note: Hi! Thank you for the question. As you have posted multiple sub-parts, according to our…

Q: What is the expected value of the probability distribution of the discrete random variable X? x P(X…

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Q: 3. Given the following relative-frequency table for the probability distribution of X, what are the…

A: Given data,

Q: Given the following relative-frequency table for the probability distribution of X, what are the…

A: The expected value is, μ=Ex=∑xPX=x=2×0.36+4×0.08+6×0.54+8×0.02=0.72+0.32+3.24+0.16=4.44 Thus, the…

Q: For questions 12-14, use the following table, where x represents the number of books read per month…

A: Given that  Probability distribution table  X 0 1 2 3 4 5 P(X) 0.09 0.14 0.31 0.33 0.09 0.04…

Q: Given the following relative-frequency table for the probability distribution of X, what are the…

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Q: Given the following probability distribution, Find P(x=2) X 1 2 3 P(x=x) 0.2 0.05 P(x=2)= 4 0.2 5…

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Q: Look at the relative-frequency table below of the symmetrical probability distribution of a discrete…

A: Solution

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: What is the standard deviation of the following probability distribution?  Round your answer to the…

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Q: the following probability distribution, what is the expected value (or mean)of X?…

A: To find the expected value (or mean)of X for the given probability distribution…

Q: Consider the probability distribution below. x f(x) 10 .2 20 .3 30 .4 40 .1 ​ The…

A: expected value of x =E(x) =Σx f(x)

Q: Suppose you have the following discrete probability distribution. What is the mean of XP What is the…

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Q: Determine the mean and standard deviation for the following following discrete probability…

A: Given: The provided data is: Coupon value Probability 150 0.730 250 0.250 475 0.019 1500…

Q: Consider the following probability distribution. X 1 3 4 6 P(x) 0.02 0.05 0.17 0.35 0.22 0.17 0.02…

A: Formula Used: For expected value of x. E(x) = ∑xP(x) For standard deviation of x. SD(x) = VAR(x) For…

Q: Consider the following probability distribution: P(X) 1 0.1 ? 0.2 4 0.3 What must be the value of…

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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: 5. Given the following relative-frequency table for the probability distribution of X, what are the…

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Q: Given the following relative-frequency table for the probability distribution of X, what are the…

A: Given a relative - frequency table.  We need to find the expected value and the standard deviation…

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: The following table represents the number of free throws a typical NBA player makes in three…

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

Q: Given the following probability distribution, Find P(x-2) 3 4 P(x=x) 0.2 0.05 0.2 0.25 P(x-2)%=D

A: In general, the total probability is always 1.

Q: 3. Given the following relative-frequency table for the probability distribution of X, what are the…

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Q: Find the mean of the following probability distribution? Round your answer to four decimal places.…

A: Given, x P(x) 0 0.2173 1 0.146 2 0.1509 3 0.2399 4 0.2459

Q: Below shows a discrete probability distribution:    x 1 2 3 4 5 P(x) 0.2 0.3 m 0.1 0.1…

A: Given data is x 1 2 3 4 5 P(x) 0.2 0.3 m 0.1 0.1

Q: Given the following Discrete Probability Distribution, where the variable x represents the number of…

A: We have find gíven probability.

Q: Find the mean of the following probability distribution? xx P(x)P(x) 0 0.2172 1 0.2251 2 0.2099 3…

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Q: Suppose you are given the following probability distribution:  x               f(x) 100…

A: Note: Hi there! Thank you for posting the question. As there are multiple sub parts, according to…

Q: Consider the following probability distribution: X P(X) 1 0.1 2 ? 3 0.2 4 0.3   What is the mean…

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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: Given the following relative-frequency table for the probability distribution of X, what are the…

A: Probability is defined as the sum of favorable ways of an events divided by the total number of…