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.(a) Construct a discrete probability distribution for the random variable x.Stars (x) P(x)12II345(Round to three decimal places as needed.)Stars12345Frequency D272629703510473110,279

GIVEN DATA stars frequency 1 2726 2 2970 3 3510 4 4731 5 10279 total 24216

Answered: Suppose the following data represent…

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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The following table shows the distribution of murders by type of weapon for murder cases in a particular country over the past Weapon 12 years. Complete parts (a) through (e). Probability Handgun Rifle Shotgun Unknown firearm Knives Hands, fists, etc. 0.472 0.024 0.034 0.144 0.133 0.055 Other 0.138 (a) Is the given table a probability model? Why or why not? O A. No; the probability of all events in the table is not greater than or equal to 0 and less than or equal to 1. O B. No; the sum of the probabilities of all outcomes does not equal 1. OC. No: the probability of all events in the table is not greater than or equal to 0 and less than or equal to 1, and the sum of the probabilities of all outcomes does not equal 1. OD. Yes; the rules required for a probability model are both met.
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.
Let 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.
(CO 3) Consider the following table: Age Group 18-29 30-39 40-49 50-59 60-69 70 and over If you created the probability distribution for these data, what would be the probability of 50-59? 0.152 0.189 0.425 Frequency 983 784 686 632 541 527 0.165
Complete the following probability distribution table: Probability Distribution Table P(X) - 6 7 0.2 14 0.1 55 0.3
High school students in Michigan sometimes get "snow days" in the winter when the roads are so bad that school is canceled for the day. Define the random variableX = the number of snow days at a certain high school in Michigan for a randomly selected school year. Suppose the table below gives the probability distribution of X. 1. Value x, 1. 3 4 5 6 7 8 9 10 Probability p, ? 0.19 0.14 0.10 0.07 0.05 0.04 0.04 0.02 0.01 0.01 (a) Write the event “the school year has O snow days" in terms of X. Then find its probability. (b) At this high school, if more than 5 snow days are used over the course of the year, students are required to make up the time at the end of the school year. What's the probability that a randomly selected school year will require make-up days?
Exhibit 5-3 Roth is a computer-consulting firm. The number of new clients that they have obtained each month has ranged from 0 to 6. The number of new clients has the probability distribution that is shown below. Number of Probability 0.05 0.10 0.15 New Clients 1 3 0.35 0.20 0.10 0.05 4 6 Refer to Exhibit 5-3. The variance is 1.431 2.047 3.05 21
The following data represent the number of games played in each series of an annual tournament from 1933 to 2005. Complete parts (a) through (d) below.
The number of household members, x, living in Cityville homes has the following probability distribution: 1 3 4 7 8 P(x) 0.21 0.28 0.16 0.22 0.06 0.04 0.02 0.01 What is the expected size of a household in Cityville? O 3.17 0 4.50 O 2.89 O 2.43
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. Frequency 2781 Stars 1 2011 3778 4 4864 10,730 (a) Construct a discrete probability distribution for the random variable x. Stars (x) P(x) 1 4 IRound to throo derimal nlaree ae naodard
Complete the following probability distribution table: X -13 11 28 45 66 80 P(X) 0.13 0.12 0.18 0.15 0.22
3

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