ACTIVITY 2: Find the variance and the standard deviation of the following probability distributions. Complete the following tables. 2. P(X) 0.103 1 0.118 0.246 0.229 4 0.138 0.094 6 0.071 dreamst 7 0.001

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: Consider the probability distribution function: X: 0. 1 2 Probability: 0.2 0.7 0.1 For the above…

A: X 0 1 2 P(X) 0.2 0.7 0.1

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: Find the variance and the standard deviation of the given probability distributions. Complete the…

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Q: Q4/4:The following data represent the number of damaged pieces of spare parts for the production of…

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Q: The number of school-related extracurricular activities per student 7 0.059 0.122 0.164 0.178 0.213…

A: Given PMF of X. Now will using this pmf to find required information

Q: x Prob(x)     0 0.7 1 0.08 2 0.07 3 0.04 4 0.106 5 0.004 Based on historical data kept by a business…

A: (d) Let X = number of students found in violation of academic integrity in a semester in the core…

Q: a. Find the expected value of each discrete probability distribution. 7. 8. 10 P(x) 0.15 0.32 0.37…

A: As per our guidelines we are suppose to answer only one question. E(X)=∑X.P(X)

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: ppose Y follows binomial distribution with mean=20 and variance =7, what is the values a ccess, p?…

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Q: Find the mean, variance and the standard deviation of the following probability АСTIVITY 3:…

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Q: Given the accompanying table, the random variable x represents the number of televisions in a…

A: From the given table, the sum of all probabilities is equal to 1 and each probability value lies…

Q: Use the probability distribution to complete parts (a) and (b) below. The number of school-related…

A: Solution Given data is

Q: Q.2 Following table represents a probability distribution. -5 0.5 6 9. P(X = x) = p,(x) 0.25 0.25…

A: Formulae : i)  Mean (μ)= ∑x*Px (x) ii) Variance (σ2) = ∑( x - μ )2*Px (x) iii) Cumulative…

Q: Use the probability distribution to complete parts (a) and (b) below. The number of school-related…

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Q: that P(2) = P(4) = 20 P(5) = 51 %3D 10 4. Find the variance and standard deviation of the…

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Q: Let ? be a continuous random variable with Uniform distribution having mean 1 and variance 4/3.…

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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: When parking a car in a downtown parking lot, drivers pay according to the number of hours or…

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Q: Use the probability distribution to complete parts (a) and (b) below. The number of school-related…

A: mean=E(X)=∑X.P(X)

Q: Activity 5.6 The number of eggs X laid by an insect is known to have a binomial distribution with…

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Q: The number of school-related extracurricular activities per student Activities 1 2 3 4 0.059 0.123…

A: Solution: The probability distribution of activities per student is  Activities (x)  Probability…

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: P(x) 0.05 1 0.2 2 0.25 3 0.5 a. Find the expected value of the probability distribution. Round to…

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Q: E 14 40. The life-time in hours of a certain electrical equipment has the normal distribution ith…

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Q: a] Find the missing values of the following probability distribution. [b]Find the variance(round…

A: Formulae : Expected value : E(x) = ∑xP(x)  Using this formula : i) x = xP(x)P(x) ii) P(x) = xP(x)x…

Q: Refer to the probability distribution shown below. X 1 3 P(X) 1/8 3/8 3/8 1/8

A: Standard deviation(σ)=E(X2)-E(X)2E(X)=∑X.P(X)E(X2)=∑X2.P(X)

Q: 9. If the variance of a discrete probability distribution is 6.02, what is the value of the standard…

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Q: When parking a car in a downtown parking lot, drivers pay according to the number of hours or…

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Q: ACTIVITY 2: Find the variance and the standard deviation of the following probability distributions.…

A: Given information- We have given the probability distribution for X.

Q: P(x) 0.3 1 0.05 2 0.05 3 0.6 a. Find the expected value of the probability distribution Round to two…

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Q: The number of defects per 1000 machine parts inspected Defects 1 2 4 5 Probability 0.262 0.295 0.236…

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

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Q: ACTIVITY 3: Find the mean, variance and the standard deviation of the following probability…

A: Given information- We have given the probability distribution for X.

Q: Practice Exercise 1. Let X represent the number of times a grade 10 student visits an Internet Café…

A: Since the question to be answered is not specified, we'll be answering the first question only.…

Q: ACTIVITY 2: Find the variance and the standard deviation of the following probability distributions.…

A: Given information- We have given the probability distribution for X. We have to determine the…

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

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Q: Q.2 Following table represents a probability distribution. -5 6. 9. P(X = x) = P,(x) 0.5 0.25 0.25…

A: We have given probability distribution and we have find the mean , variance and cdf of X.

Q: Use the probability distribution to complete parts (a) and (b) below. The number of school-related…

A: Given Data : We need to calculate mean , standard deviation , variance

Q: Thickness measurements of ancient prehistoric Native American pot shards discovered in a Hopi…

A: Given Thickness measurement of ancient prehistoric Native american pot shards discovered in hopi…

Q: Find the mean, variance and standard deviation for the probability distribution given below: -4 10…

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Q: When parking a car in a downtown parking lot, drivers pay according to the number of hours or…

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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: Q.2 Following table represents a probability distribution. X -5 6 9. P(X = x) = P3(x) 0.5 0.25 0.25…

A: We have given discrete probability distribution of random variable X and we have to calculate mean,…

Q: Find the mean and variance of a random variable Y with probability distribution sh

A: From the given information, Y -2 1 5 12  P(Y)  0.3 0.4 0.2 0.1 Mean: Y -2 1 5 12…

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

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Q: A. The random variable X represents the number of calls per hour to a call center in the last month.…

A: Note: Hey, since there are multiple questions posted, we will answer first question. If you want any…