Contingency Tables and Conditional Probability: Homework and Passing a CourseA teacher categorized students by whether they regularly completed their homework (or not) andwhether they passed the course (or not). The data are in the table below.Passed the CourseDid not Pass the CourseTotalCompleted HW23629%Did not Complete HW7A student from the class is randomly selected. Determine the following probabilities. Enter your resultsas percents rounded to two decimal places.What is the probability a student completed the HW?%132059.18 ✓%What is the probability a student passed the course and did not complete the HW?Total301949What is the probability a student did not pass the course or completed the HW?Question Holnı A Writton ExampleWhat is the probability a student passed the course given that they completed the HW?

Given that Passed the course = A = 30 , Complete HW = C = 29 , Did not pass the course = B = 19 ,…

Answered: Contingency Tables and Conditional…

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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In an experiment, college students were given either four quarters or a $1 bill and they could either keep the money or spend it on gum. The results are summarized in the table. Complete parts (a) through (c) below. Purchased Gum Kept the Money Students Given Four Quarters 28 14 Students Given a $1 Bill 17 35 Find the probability of randomly selecting a student who spent the money, given that the student was given a $1 bill. Find the probability of randomly selecting a student who kept the money, given that the student was given a $1 bill. What do the preceding results suggest? A.A student given a $1 bill is more likely to have kept the money. B.A student given a $1 bill is more likely to have spent the money. C.A student given a $1 bill is more likely to have kept the money than a student given four quarters. D.A student given a $1 bill is more likely to have spent the money than a student given four…
For each probability and percentile problem, draw the picture.The age of a first grader on September 1 at Garden Elementary School is uniformly distributed from 5.7 to 6.7 years. We randomly select one first grader from the class. Part (g) Find the probability that a first grader is over 6 years. (Enter your answer as a fraction.) Part (h) Find the probability that a first grader is between 4 and 6 years. (Enter your answer as a fraction.) Part (i) Find the 60th percentile for the age of first graders on September 1 at Garden Elementary School. (Enter your answer to one decimal place.) years
We are interested in analyzing data related to college football. Use S to denote the team is in the SEC and use W to denote a team has a winning season. The probability that a team is in the SEC in the data set is 5.5%. The probability that a team has a winning season is 52.5%. The probability that a team is in the SEC and has a winning season is 3.55%. What percentage of teams are in the SEC or had a winning season? b. What percentage of people teams are in the SEC and did NOT have a winning season? Given a team had a winning season, what is the probability that they are in the SEC? а. с.
Instructions Follow these steps: 1. Determine the random variable (what is being measured?) 2. Determine if the table below represents a probability distribution or not. 3. If it is a probability distribution, explain why (see the three criteria in the notes). If it is not a probability distribution, explain why not (which criteria are not met?) Here is the table: x: Number of answers correct on the quiz 0 1 2 3 4 You may use this "sentence frame" to make your post: The random variable is because P(X) .092 .124 .199 .583 .002 The table (is/is not) a probability distribution
At a raffle, 1,000 tickets are sold at $5 each for three prizes valued at $800, $400, and $200. What is the expected gain of one ticket? Interpret the value of the mean in the context. First, complete the Probability Model. Net Gain 795 395 195 -5 Probability find E(z) = interpret E (z):
Answer ?
Contingency Tables and Conditional Probability: Homework and Passing a Course A teacher categorized students by whether they regularly completed their homework (or not) and whether they passed the course (or not). The data are in the table below. Completed Homework Did not Complete Homework Passed the Course Did not Pass the Course Total % 26 4 30 A student from the class is randomly selected. Determine the following probabilites. Enter your results as percents rounded to two decimal places. What is the probability a student passed the course given that they completed their homework? % 5 14 19 What is the probability a student passed the course given that they didn't complete their homework? % Total 31 18 49 % What is the probability a student completed their homework given that they passed the course? Submit Question What is the probability a student didn't complete their homework given that they didn't pass the course?
A university conducted a survey of 390 undergraduate students regarding satisfaction with student government. Results of the survey are shown in the table by class rank. Complete parts (a) through (d) below. Click the icon to view the table. (a) If a survey participant is selected at random, what is the probability that he or she is satisfied with student government? P(satisfied) = (Round to three decimal places as needed.) Data Table ETTITI Freshman Sophomore Junior Senior Total Satisfied 60 52 63 55 230 Neutral 26 18 20 10 74 Not satisfied 21 19 18 28 86 Total 107 89 101 93 390 Print Done
Instructor-created question Question Help ▼ During a flu epidemic 20% of children get the flu. Answer the following using 9 digits to the right of the decimal point. In a randorm sample of 10 children, find the probability that: (a) exactly 3 get the flu. Answer: (b) less than 3 get the flu. Answer: (c) at most 2 get the flu: Answer: (d) at least 3 get the flu: Answer: orrect: ry Enter your answer in the edit fields and then click Check Answer. All parts showing Clear All Check Answer Us I

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