MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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- The binomial probability distribution is right-skewed if: O pis 0.25 or smaller. O pis less than 0.50. O pis equal to 0.50. O p is greater than 0.50.arrow_forwardSuppose that the random variable , shown below, represents the number times. P(x) represents the probability of a randomly selected person having received that number of speeding tickets during that period. Use the probability distribution table shown below to answer the following questions. 43 x 0 P(x) 0.2951 0.2587 1 2 0.1924 0.1604 P(x > 0) 0.7049 = 3 4 a) What is the probability that a randomly selected person has received five tickets in a three-year period? P(x = 5) = 0.0442 b) What is the probability that a randomly selected person has received one tickets in a three-year period? P(x = 1) 0.2587 P(x≤1)=1 5 6+ c) What is the probability that that a randomly selected person has received more than zero tickets in a three- year period? 0.0492 0.0442 0.0000 > Next Question d) What is the probability that that a randomly selected person has received one or less tickets in a three-year period? Enter an integer or decimal number [more..]arrow_forwardFor any continuous probability distribution, P(x = a) = 0 for all values of a. %3D O A. True O B. False Ma esc 0% F3 000 000 F4 F2 F5 %23arrow_forward
- Find the value of the following hypergeometric probability distribution. Leave the answer as a number rounded to the nearest ten-thousandths: ?(3)=(93)⋅(81)(174)f(3)=(93)⋅(81)(174) Remember, just give me the number rounded to the nearest ten-thousandths.arrow_forwardIn a valid probability distribution, each probability must be between 0 and 1, inclusive, and the probabilities must add up to 1. If a probability distribution 1 1 has probabilities and x, what is the value of x? 12'6 3 O A. 3 OB. 1. C. 12 D. 1/6arrow_forwardLet X = {Email, In Person, Instant Message, Text Message}; P(Email) = 0.06 P(In Person) = 0.55 P(Instant Message) = 0.24 P(Text Message) = 0.15 Is this model a probability distribution? A. Yes. B. No. C. Maybe.arrow_forward
- Find the probability in each case. Appendix A Statistical Tables (Round the values of z to 2 decimal places, e.g. 15.25. Round your answers to 4 decimal places, e.g. 0.2513.)a. N=1,000,n=30,μ=70,and, σ=5;P(x¯<71.2)=? b. N=90,n=35,μ=107,and, σ=3.45;P(106<x¯<106.4)=?c. N=248,n=105,μ=36.0,and, σ=4.86;P(x¯≥37)=? d. N=6,000,n=40,μ=124,and, σ=13.3;P(x¯≤122)=?arrow_forwardConsider the following probability distribution of the random variable x. f(x) 0.34 1 0.22 2 0.17 3 0.10 4 0.17 Find the probability that x is at least 3. Select one: O a. 0.73 O b. 0.27 O c. 0.56 O d. 0.17 O e. 0.44 O f. 0.83arrow_forwardConsider the following probability distribution. Find the probability that x=2 x 0 1 2 3 4 5 p(x). 0.12 .25 ? .18 .14 .11arrow_forward
- The table below shows the probability distribution of the random variable X. a. Find the mean of the random variable. b. Obtain the standard deviation o of the random variable. 1 P(X =x) 0.4 0.1 0.5 a. Find the mean of the random variable. (Round to two decimal places as needed.) b. Obtain the standard deviation o of the random variable. O = (Round to two decimal places as needed.) Enter your answer in each of the answer boxes. ? Learrow_forwardFind the probability functions for the following: a. X + Y b. XY c. X/Yarrow_forwardSuppose that the random variable x, shown below, represents the number times . P(x) represents the probability of a randomly selected person having received that number of speeding tickets during that period. Use the probability distribution table shown below to answer the following questions. 19 a| P(x) 0 0.2749 Rectangular Snip 1 0.2522 2 0.2511 3 0.1494 4 0.0455 0.0269 6+ 0.0000 a) What is the probability that a randomly selected person has received two tickets in a three-year period? P(x = 2) %3D b) What is the probability that a randomly selected person has received four tickets in a three-year period? P(x = 4) c) What is the probability that that a randomly selected person has received more than five tickets in a three-year period? P(x > 5) = d) What is the probability that that a randomly selected person has received three or less tickets in a three-year period? P(x < 3)arrow_forward
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