The following distribution is not a probability distribution because 2 0.16 0 2 0.31 P(X) 0.20-0.12...
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
Consider the probability distribution shown below. x 0 1 2 P(x) 0.45 0.20 0.45 (a) Compute the expected value of the distribution. (b) Compute the standard deviation of the distribution Compute the standard deviation of the distribution. (Round your answer to four decimal places.)
Fill in the P(x = x) values to give a legitimate probability distribution for the discrete randorn variable X, whose possible values are 0, 1, 2, 3, and 5. Value of X P(x = x) 0 0.29 1 0 2 D 3 0.20 5 0.11 X 5 ?
Fill in the P(xx) values in the table below to give a legitimate probability distribution for the discrete random variable X, whose possible values are -4,-1, 3, 4, and 6. Value of x P(x = x) -4 0.16 1 3 0.11 4 0.20 6 х ?
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...
The probability mass function for the discrete random variable X is p(X=0)=0.13; p(X=1)=0.31; p(X=2)=m. What is the expected value of X? Hint: First compute m, then find the expectation of X. Round your answer to the nearest hundredth.
Fill in the P(X=×) value in the table below to give a legitimate probability distribution for the discrete random variable X, whose possibles values are. -1, 0, 1, 4 Value x of X. P(X=×) -1. 0.16 0. 0.15 1 0.28 4. _____ 5. _____
3. The discrete random variable X has the following probability distribution: IX 13 18 20 24 27 P(x) 0.22 0.25 0.20 0.17 0.16 a. P(18) b. P(X > 18). C. P(X s 18). d. The mean u of X. e. The standard deviation o of X.
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 x of X P(x = x) 0 0.20 4 5 0.19 6 022 2
Fill in the P (X = x) values to give a legitimate probability distribution for the discrete random variable X, whose possible values are -1, 3, 4, 5, and 6. Value x of P(x = =) 0.25 4 5 0.16 6 0.27 X ?