Below shows a discrete probability distribution:    x 1 2 3 4 5 P(x) 0.2 0.3 m 0.1 0.1   Find: d) What is the expected value of x? e) What is the standard deviation of this distribution?

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

A: Given, X 3 4 5 6 P(X)  0.23 ?  0.45 0.11

Q: The probability distribution of the number of motorcycles owned by a family (x) is as follows: x 0…

A: (a) Expected value of X; E[X] =∑ x P(x)                                               =…

Q: A probability distribution for xx is given by the following table. x P(x) 0 0.1 1 0.2 2 0.05 3…

A: 0 0.1 0   1 0.2 0.2   2 0.05 0.1   3 0.65 1.95 Total     The expected value of…

Q: The probability distribution of the random variable X is shown in the accompanying table. x     −5…

A: As per given by the question, there are given a table of X and their probability. Now, (d). PX⩾2…

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

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

Q: Consider the following discrete probability distribution: 15 22 34 40 P(X=x) 0.14 0.40 0.26 0.20 a.…

A: Hey there! Thanks for posting the question. Your question has more than three sub-parts. However, we…

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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: A local bakary has determined a probability distribution for the number of cheesecakes that they…

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

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Q: Find these probabilities using the standard normal distribution. a. P(-1.80 < z < 0) b. P(z < 2.16)…

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Q: n the midnight shift, the number of patients with head trauma in an emergency room has the…

A: The given probability distribution table is, The value of mean is,

Q: On the midnight shift, the number of patients with head trauma in an emergency room has the…

A: The total probability is equal to 1.

Q: A discrete random variable X has the following probability distribution: x 1 2 3 4 P(X=x 2k 3k 4k…

A: Given: The value of x and P(X=x)

Q: For n = 100 and p = 0.20, use the normal distributionate to approximthe probability that; a. x = 25…

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

Q: The following shows the probability distribution for the random variable x:  x…

A: Given the probability distribution table. x P(x) 1 0.20 2 0.10 3 0.30 4 0.25 5 0.15…

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

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Q: In a hamster breeder's experience the number X of live pups in a litter has the following…

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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: Since you have posted a question with multiple subparts, we will solve first three subparts for you.…

Q: Determine whether the distribution is a discrete probability distribution. P(x) 0.13 0.27 2 0.18 3…

A: Given x P(x) 0 0.13 1 0.27 2 0.18 3 0.27 4 0.13

Q: The probability distribution of a discrete random variable x is shown in the following table: x 1 2…

A: E(X)=∑Xi P(X)E(X)=1×0.22+2×0.22+3×0.37+4×0.05+5×0.14E(X)=0.22+0.44+1.11+0.2+0.7E(X)=2.67

Q: Consider the following probability distribution where random variable X denotes the number of cups…

A: Given data is  x 0 1 2 3 4 5 P(x) 0.35 0.40 0.16   0.02 0.02

Q: Given the probability distribution of the random variable X below, compute for the variance and…

A: Given :

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

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Q: For the random variable Z follows a standard distribution, find P(-1.2<Z <2.1)

A: Given data: For the random variable Z follows a standard distribution, To find ; P(-1.2&lt;Z&lt;2.1)

Q: On the midnight shift, the number of patients with head trauma in an emergency room has the…

A: We have given that,  Let x be a random variable having probability mass function, x   :     0…

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

A: Solution

Q: On the midnight shift, the number of patients with head trauma in an emergency room has the…

A: Given: The probability distribution is as follows x P (X) 0 0.05 1 0.44 2 0.30 3 0.17 4…

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Q: The uniform distribution of a random variable X is given in the figure below. 0 1 2 From the figure,…

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Q: Let x be the number of potential weapons detected by a metal detector at an airport on a given day.…

A: Given : x P(x) 0 0.14 1 0.28 2 0.22 3 0.21 4 0.15

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

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Q: Consider the probability distribution shown below. x 0 1 2 P(x) 0.25 0.70 0.05 Compute the…

A: x p(x) 0 0.25 1 0.70 2 0.05

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

A: discrete probability dist

Q: Given the following probability distribution, calculate the standard deviation x P(x) 1 0.123 2…

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Q: 1. Given the probability distribution of a discrete random variable X below, tind P(X 5 7 9. PX) 14…

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Q: Find the mean of the probability distribution given below. X 0 2 4 6 P(X) 0.22 0.11 0.1 0.57

A: We have uo find mean...

Q: The probability distribution of random variable X is defined as follows:   X 0 1 2 3 4…

A: mean=expected value=E(X)=∑xP(X)

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

A: Given:  A probability distribution of discrete random variable X. x 1 3 5 7 9 11 13 P(X=x) 0.23…

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A: Introduction: For a discrete random variable X, taking values X = x with probability mass function…

Q: Consider the given discrete probability distribution. X 1 2 3 4 P(X=x) 0.07 0.18 0.25 0.5 Find the…

A: From the provided information, X 1 2 3 4 P (X = x) 0.07 0.18 0.25 0.5

Q: Calculate the expected value of X, E(X), for the given probability distribution. 1 P(X = x) 0.1 0.2…

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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: e probability distribution of random variable, X, is defined as follows: X 0 1 2 3 4 Probability 0…

A: A probability distribution is an expression that associates each outcome of a statistical experiment…

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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