Which of these is not a proper probability distribution?
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Which of these is not a proper
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- random variable, y, has a known probability distribution given by Y :2,4,6,8,10 and P 0.17.0.23, 0.2.0.3.0.1 the expected value of y is 5 O a. True Ob. FalseChoose an American household at random and let the random variable ?X be the number of cars (including SUVs and light trucks) they own. Given is the probability distribution if we ignore the few households that own more than 5 cars. Number of cars 0 1 2 3 4 5 Probability 0.09 0.36 0.35 0.13 0.05 0.02 About what percentage of households have a number of cars within 2 standard deviations of the mean?What is the difference between discrete and continuous probability distributions. How do you think probability distributions can be used in business decision-making
- Which of the following is a legitimate probability distribution? (d) No. Prob 0.10 (e) No. Prob. (a) No. Prob. 1/4 (b) No. Prob. (c) No. Prob. 0.1 1. 1/4 2. 2. 0.2 2. 0.11 2. 3. 3. 3. 3. 0.25 3. -1 3 1/4 1/4 0.05 0.26 4. 4 4. 4. 0.3 4 4 1/4 04 O a OcShow that the Geometric probability distribution, with parameter p, is a valid discrete probability distribution.Enunciate demerits of classical probability.
- What is the probability a student will take 2 or 3 classes in a semester?Is the following distribution a probability distribution? (x, P(X)) = (-2,1.23); (-1, 0.15) ; (0, -1.20); (1, 0.52); (2, 0.30) There are five ordered pairs: X values and their probabilities for example P(1) = 0.52. X -2 -1 0 1 2 P(X) 1.23 0.15 –1.20 0.52 0.30A probability distribution function has which characteristic(s)? (Select all characteristic that applies.) Each probability is between zero and one, inclusive. Each probability is larger than one. The sum of the probabilities is one. The sum of the probabilities is larger than one.