Assume X has the following probability distribution: X 1 2 3 4 P(X) .1 .5 .2 .2 Compute the standard

Q: According to a study, the length of pregnancy is normally distributed with a mean of 269 days and a…

A: GivenMean(μ)=269standard deviation(σ)=14.7

Q: A "big-box" store sells a particular laptop, but has only four in stock. The manager wonders what…

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Q: The probability distribution for a discrete random variable is given below: X         4     6     8…

A: Given that  Probability distribution table  X 4 6 8 10 P(x) 0.40 0.10 0.20 0.30   We know…

Q: Let x be the number of errors that appear on a randomly selected page of a book. The following table…

A: X p(X) X*p(X) X2*p(X) 0 0.73 0 0 1 0.16 0.16 0.16 2 0.06 0.12 0.24 3 0.04 0.12 0.36 4 0.01…

Q: Write the values of 'a' for which the following distribution of probabilities becomes a probability…

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Q: Let X be the number of errors that appear on a randomly selected page of a book. The following table…

A: Since, the sum of all probabilities of a distribution is always equal to 1. That means ∑P(x) = 1 The…

Q: Five males with an​ X-linked genetic disorder have one child each. The random variable x is the…

A: From the given set of informations: x         0        1        2        3       4        5 P(x)…

Q: Consider the following probability distribution. P(x) = Ae¯x/x x ≥ 0. a) Determine the value for A…

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Q: 2

A: a. The probability distribution is shown below,  x 1 2 3 4 5 p(x) 115 k15 k5 414 k15 To find…

Q: A sociologist randomly selects single adults for different groups of three, and the random variable…

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Q: X P(x) 0 0.32 1 0.31 2 0.20 3 0.17 a) Find the mean of the probability distribution above. b) Find…

A: Given that  Probability distribution.  X 0 1 2 3 P(x) 0.32 0.31 0.20 0.17

Q: 1. Let X denote the number of times a certain numerical control machine will malfunction: 1, 2, or 3…

A: f(x,y)     y=1   y=2     y=3    Total       x=1   0.10  0.05    0.02   0.17…

Q: P(x) 6. 0.2 7 0.2 0.3 9 0.2 10 0.1 1. Calculate the mean or the expected value of X 2. Calculate the…

A: Given, discrete distribution       x      P(x)       6     0.2       7     0.2       8…

Q: GB data package througha double satellite media. P(x) 0.40 1 0.30 0.25 3 0.05

A: Given: x: the number of re-transmissions  x P(x) 0 0.40 1 0.30 2 0.25 3 0.05

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: Five males with an​ X-linked genetic disorder have one child each. The random variable x is the…

A: From the provided information, The probability distribution table can be constructed as: X 0…

Q: Five males with an​ X-linked genetic disorder have one child each. The random variable x is the…

A: Let the random variable x is the number of children among the five who inherit the​ X-linked genetic…

Q: Exercise 4. A discrete random variable X has the following probability distribution: 13 18 20 24 27…

A: The given data is  xi 13 18 20 24 27 p(xi) 0.22 0.25 0.20 0.17 0.16 The formula for the mean…

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

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Q: A random variable x has a standard normal probability distribution.  Which of the following…

A: Given that a random variable x has a standard normal probability distribution.

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…

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Q: P(X) 12 8. k 2 1 4 8. 1, 3.

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Q: Find E(X), Var(X), and the standard deviation of X, where X is the random variable whose probability…

A: According to given data: The value of E(X): EX=149+249+319EX=49+89+39EX=159EX=1.66

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: A factory manager collected data on the number of equipment breakdowns per day.  From this data she…

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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: For the following probability distribution: x f(x)   0 0.01   1 0.02   2 0.10   3 0.20…

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

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Q: Determine the correlation for the following joint probability distribution y f(X.y) | 1/8 1 1 2 4 3…

A: Let X and Y be two random variables. Then the correlation coefficient between X and Y is given by,…

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: c)      Determine the standard deviation σ of x

A: x p(X) xp(x) (x-xbar)^2 p(x)*(x-xbar)^2 0 0.8 0 0.0625 0.05 1 0.15 0.15 0.5625 0.084375 2 0.05…

Q: A random variable x has a standard normal probability distribution.  Which of the following…

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Q: 14. Calculate the variance of the following probability distribution function (pdf) for the discrete…

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Q: 3. Given the following discrete probability distribution, x P (x) 42 0.375 65 0.15 70 0.225 75 0.05…

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Q: For the following probability distribution: f(x) 0.01 1 0.02 2 0.10 3 0.20 4 0.15 5 0.12 6 0.10 7…

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Q: Let X denote the number of times a certain numerical control machine will malfunction: 1, 2, or 3…

A: Given  f(x,y) y 1 2 3 Total x 1 0.10 0.05 0.02 0.17 2 0.10 0.35 0.05 0.50 3 0.03 0.10…

Q: The table below shows the probability distribution of the random variable X. a. Find the mean of the…

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Q: hildren among the five who inherit the​ X-linked genetic disorder. Determine whether a probability…

A: Given data, ​x P(x) 0 0.033 1 0.161 2 0.306 3 0.306 4 0.161 5…

Q: Let X be a random variable with the following probability distribution: - 4 3 5 f(x) 0.6 0.3 0.1…

A: