Suppose the following data represent the ratings (on a scale from 1 to 5) for a certain smart phone game, with 1 representing a poor rating. Complete parts (a)through (d) below.Frequency2781Stars1201137784486410,730(a) Construct a discrete probability distribution for the random variable x.Stars (x)P(x)14IRound to throo derimal nlaree ae naodard

Solution: From the given information, the frequency function of X is

Suppose the following data represent the ratings (on a scale from 1 to 5) for a certain smart phone game, with 1 representing a poor rating. Complete parts (a) through (d) below. Stars Frequency 2781 2011 3778 4864 1 3 4. 10,730 (a) Construct a discrete probability distribution for the random variable x. Stars (x) P(x) 3 (Round to three decimal nlares ae needed V

Suppose the following data represent the ratings (on a scale from 1 to 5) for a certain smart phone game, with 1 representing a poor rating. Complete parts (a) through (d) below. Stars Frequency 2781 2011 3778 4864 1 3 4. 10,730 (a) Construct a discrete probability distribution for the random variable x. Stars (x) P(x) 3 (Round to three decimal nlares ae needed V

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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On a popular app, users rate hair salons as 1, 2, 3, 4, or 5 stars. Suppose a rating is randomly selected from all the ratings on the app. Let X be the number of stars of the selected rating. Here is the probability distribution of X. ck fn Value x of X esc sign. Check P(X=x) 0.25 0.19 0.09 0.21 0.26 For parts (a) and (b) below, find the probability that the randomly selected hair salon rating has the described number of stars. (a) 3 or more: (b) Fewer than 4:0 Ⓡ ntertained Type here to search. ! 7 ? Q A 1 H hp @ Z 2 3 2 W S # 3 x S alt 4 E D $ 4 5 C O B R % LI F 5 X V to 49 T G 6 5 & Y B 99+ 7 H a hp 4+ N 8 Save For Later © 2023 McGraw Hill LLC. All Rights Reserved. Terms of Use Bigh Center & 100 S 19 144 9 M 105 1 > 4 O 1 1 UDOL JKLE 5- tva P { alt + C ? = 7 insert Submit Assignment * } 1 Am QU ortsc E ← pause ▸ ctri 9 9:19 PM 2/21/2023 backspace USE YOUR SMARTPHONE FOR Reviews Videos Feature Specs Support SCA
For families with 5 children, let Xbe the number of children with Genetic Condition B. Can the following table be a probability distribution for the random variable X?xP(x)1 0.13242 0.17783 0.07144 0.21745 0.3186 noyes
Suppose that the random variable , shown below, represents the number times. P(z) 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. 6 I P(x) 0 0.3657 1 0.3282 2 0.1731 3 0.0563 4 0.046 5 0.0307 6+ 0.0000 a) What is the probability that a randomly selected person has received one tickets in a three-year period? P(x = 1) = 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 zero tickets in a three-year period? P(x > 0) d) What is the probability that that a randomly selected person has received two or less tickets in a three- year period? P(x2) G e 口 S
Please answer the last three parts of the question
A technician services mailing machines at companies in the Phoenix area. Depending on the type of malfunction, the service call can take 0.7, 1.4, 2.1, or 2.8 hours. The different types of malfunctions occur at the same frequency. If required, round your answers to two decimal places. a. Develop a probability distribution for the duration of a service call. Duration of Call f(a) 0.7 1.4 2.1 2.8 b. Which of the following probablity distribution graphs accurately represents the data set? 2. fx) 0.304 0.304 0.20 0.20 0.10- 0.10 0 0.7 14 2.1 2.8 O 0.7 14 2.1 2.8 3. fx) 0.304 0.20 0.10 0.7 1.4 2.1 2.8 |- Select your answer - c. Consider the required conditions for a discrete probability function, shown below. f(x) 20 (5.1) Ef(e) = 1 (5.2) Does this probability distribution satisfy equation (5.1)? - Select your answer - Does this probability distribution satisfy equation (5.2)? - Select your answer- d. What is the probability a service call will take 2.1 hours? e. A service call has just…
USATestprep, LLC.... T-Rex Chrome Offli... M Inbox (307)-randol... R6.1. Knees Patients receiving artificial knees oft experience pain after surgery. The pain is measured one subjective scale with possible values of 1 (low) to 5 (high Let X be the pain score for a randomly selected patient. The following table gives part of the probability distribution for X 2 Value: Probability: (b) (c) #3 54 1 0.1 $ N % 2 0.2 Find PIX= 5). If two patients who received artificial knees are cho sen at random, what's the probability that both of them report pain scores of 1 or 27 Show your work Compute the mean and standard deviation of X Show your work. 5 D Get the Most Out of.... A Registration - Paym.. 6 3 4 0.3 0.3 08 5 7 77
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.
ll 36 l 12% 7 15:04 4G .. Question One: (a) If 4 balanced coins are tossed simultaneously (or 1 balanced coin is tossed 4 times), compute the entire probability distribution and plot it. (b) Compute and plot the probability distribution for a sample of 5 items taken at random from a production process known to produce 30% defective items.
enmath.com SCore: 27T S75 answered Question 4 Assume that 12 jurors are randomly selected from a population in which 81% of the people are Mexican- Americans. Refer to the probability distribution table below and find the indicated probabilities. P(x) 0+ 0+ 2. 0+ 3. 0+ 0.0004 0.0025 0.0123 0.0449 8 0.1195 0.2265 0.2897 11 0.2245 12 0.0798 Find the probability of exactly 6 Mexican-Americans among 12 jurors. P(x = 6) = Find the probability of 6 or fewer Mexican-Americans among 12 jurors. P(x < 6) = Does 6 Mexican-Americans among 12 jurors suggest that the selection process discriminates against Mexican-Americans? O no O yes Check Answer 12 étv MacBook Air 14567090
For families with 5 children, let XX be the number of children with Genetic Condition B. Can the following table be a probability distribution for the random variable XX? xx P(x)P(x) 1 0.2077 2 0.0943 3 0.3281 4 0.1105 5 0.3232 A. yes B. noIs it correct answer B?
For families with 5 children, let XX be the number of children with Genetic Condition B. Can the following table be a probability distribution for the random variable XX? xx P(x)P(x) 1 0.2486 2 0.347 3 0.182 4 0.0226 5 0.3492 yes no
plz provide handwritten answer for part b