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Consider the following discrete probability distribution. 15 34 40 Pix-x) 0.15 0.33 0.29 0.23 a. Is...
Consider the following discrete probability distribution. x 15 22 34 40 P(X = x) 0.13 0.49...
Consider the following discrete probability distribution. x 15 22 34 40 P(X = x) 0.13 0.49 0.24 0.14 a. Is this a valid probability distribution? Yes, because the probabilities add up to 1. No, because the gaps between x values vary. b. What is the probability that the random variable X is less than 38? (Round your answer to 2 decimal places.) c. What is the probability that the random variable X is between 10 and 28? (Round your answer...
Consider the following discrete probability distribution 15 22 P(X x) 0.14 0.38 0.27 0.21 xc 34...
Consider the following discrete probability distribution 15 22 P(X x) 0.14 0.38 0.27 0.21 xc 34 40 a. Is this a valid probability distribution? O Yes, because the probabilities add up to 1. O No, because the gaps between x values vary. b. What is the probability that the random variable X is less than 36? (Round your answer to 2 decimal places.) Probability c. What is the probability that the random variable X is between 12 and 30? (Round...
2. 20 greater tildll 20! Consider the following discrete probability distribution. -25 -15 10 20 PIX=x)...
2. 20 greater tildll 20! Consider the following discrete probability distribution. -25 -15 10 20 PIX=x) 0.35 0.10 0.10 a. Complete the probability distribution. b. Graphically depict the probability distribution and comment on the symmetry of the distribution. C. What is the probability that the random variable X is negative? d. What is the probability that the random variable X is greater than -20? e. What is the probability that the random variable X is less than 20?
The probability distribution for the random variable x follows. x f(x) 20 0.23 24 0.14 30...
The probability distribution for the random variable x follows. x f(x) 20 0.23 24 0.14 30 0.30 36 0.33 Is this a valid probability distribution? SelectYes, because all f(x) are ≥ 0 and sum of f(x)=1Yes, because all f(x) are ≤ 0 and sum of f(x)=1Yes, because all f(x) are ≥ 0 and sum of f(x)>1Yes, because all f(x) are = 0 and sum of f(x)=1Item 1 What is the probability that x = 30 (to 2 decimals)? What is...
Fill in the P(X = x) values to give a legitimate probability distribution for the discrete...
Fill in the P(X = x) values to give a legitimate probability distribution for the discrete random variable X, whose possible values are 2, 3, 4, 5, and 6. Value I of x P(x = x) 2 0.16 3 4 0.17 0.29 6 0 X 6 For Subm Let X be a random variable with the following probability distribution: 1 Value x of X P(X=x) 0.25 2 0.05 3 0.15 4 0.15 5 0.10 6 0.30 Find the expectation E...
Which of the following is/are required for the probability distribution of a discrete random variable X...
Which of the following is/are required for the probability distribution of a discrete random variable X with probabilities P(X= x), to be valid? I. PX x) is between 0 and 1 for all values of x. 2aPXx) ii. all x i, all x2 0 Il and Ill only Il only I and Il only I, II, and III only
In the following probability distribution, the random variable x represents the number of activities a...
In the following probability distribution, the random variable x represents the number of activities a parent of a 6 th- to 8th-grade student is involved in. Complete parts (a) through (f) below.x01234P(x)0.3670.1330.2090.1160.175(a) Verify that this is a discrete probability distribution.This is a discrete probability distribution because the sum of the probabilities is _______ and each probability is _______ (b) Graph the discrete probability distribution. Choose the correct graph below.(c) Compute and interpret the mean of the random variable x .The mean...
In the following probability distribution, the random variable x represents the number of activities a parent...
In the following probability distribution, the random variable x represents the number of activities a parent of a K to 5 th-grade student is involved in. Complete parts (a) through (f) below.x01234P(x)0.1670.1940.3440.1780.117(a) Verify that this is a discrete probability distribution.This is a discrete probability distribution because the sum of the probabilities is _______ and each probability is _______ (b) Graph the discrete probability distribution. Choose the correct graph below.(c) Compute and interpret the mean of the random variable x .The mean...
Is the following a discrete probability distribution? X P(x) 40 0.12 66 0.29 2 0.16 38...
Is the following a discrete probability distribution? X P(x) 40 0.12 66 0.29 2 0.16 38 0.14 57 0.03 34 0.08
Which of the following is/are required for the probability distribution of a discrete random variable X,...
Which of the following is/are required for the probability distribution of a discrete random variable X, with probabilities PlX = x) to be valid? 1. Os PCX=x)s 1 for all x 1. P(X=x) - 1 all ill. all x 20 I only Il only I and Il only ll, and I Il and ill only.
Consider the following discrete probability distribution 15 22 P(X x) 0.14 0.38 0.27 0.21 xc 34 40 a. Is this a valid probability distribution? O Yes, because the probabilities add up to 1. O No, because the gaps between x values vary. b. What is the probability that the random variable X is less than 36? (Round your answer to 2 decimal places.) Probability c. What is the probability that the random variable X is between 12 and 30? (Round...
2. 20 greater tildll 20! Consider the following discrete probability distribution. -25 -15 10 20 PIX=x) 0.35 0.10 0.10 a. Complete the probability distribution. b. Graphically depict the probability distribution and comment on the symmetry of the distribution. C. What is the probability that the random variable X is negative? d. What is the probability that the random variable X is greater than -20? e. What is the probability that the random variable X is less than 20?
Fill in the P(X = x) values to give a legitimate probability distribution for the discrete random variable X, whose possible values are 2, 3, 4, 5, and 6. Value I of x P(x = x) 2 0.16 3 4 0.17 0.29 6 0 X 6 For Subm Let X be a random variable with the following probability distribution: 1 Value x of X P(X=x) 0.25 2 0.05 3 0.15 4 0.15 5 0.10 6 0.30 Find the expectation E...
Which of the following is/are required for the probability distribution of a discrete random variable X with probabilities P(X= x), to be valid? I. PX x) is between 0 and 1 for all values of x. 2aPXx) ii. all x i, all x2 0 Il and Ill only Il only I and Il only I, II, and III only
Which of the following is/are required for the probability distribution of a discrete random variable X, with probabilities PlX = x) to be valid? 1. Os PCX=x)s 1 for all x 1. P(X=x) - 1 all ill. all x 20 I only Il only I and Il only ll, and I Il and ill only.
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