In a survey, LATTC students were asked how many hours they study per week. Their responses are summarized in the followingtable:MaleFemaleTotalLess than 5200450650Between 5 and 10160350510More than 10120230350If one student is randomly selected:What is the probability the student studied more than 10 hours per0.31790.23180.68210.3377week?Total48010301510

The table shows the number of hours they study per week.

Answered: In a survey, LATTC students were asked…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

1. The ages of all males from the freshmen students in the University of Santo Tomas is a/an ___________. a. frequency b. sample c. statistic d. population 2. If the probability of a defective bolt is 0.1, determine the mean for the number of defective bolts in a total of 400 bolts. Is the answer 40?
A. What is the probability that a randomly selected person who buys more than 2 pairs of jeans is female B. What is the probability that a randomly selected person who is male buys 2 pairs of jeans?
Please answer the following question using EXCEL:
Students at a high school are selecting a new school mascot. The table below shows how students voted by class on their choices of the Cougars, Warriors, or Knights.. Freshmen Sophomores Juniors Seniors Total % Cougars 94 % 76 88 % 61 319 Warriors 35 55 16 24 130 Knights 60 21 33 86 a. What is the probability that a randomly selected student prefers the Warriors? 200 Total 189 152 Use the preceding data to estimate each of the following. (Express each response as a percentage rounded to one decimal place.) 137 171 649 b. What is the probability that a randomly selected student prefers the Cougars given that the student is a member of the freshmen class? c. What is the probability that a randomly selected student is a member of the junior class and prefers the Warriors?
. Giving a test to a group of students, the grades and gender are summarized below. If one student was chosen at random, find the probability that the student was female or earned a B. A B C Total Male 8 18 13 39 Female 10 4 12 26 Total 18 22 25 65
Use the data in the table below, which shows the employment status of individuals in a particular town by age group. Age Full-time Part-time Unemployed 0—17 27 180 360 18—25 190 198 233 26—34 317 71 26 35—49 462 183 192 50+ 356 165 258 If a person is randomly chosen from the town's population, what is the probability that the person is under 18 or employed part-time?
In a three-digit lottery, each of the three digits is supposed to have the same probability of occurrence (counting initial blanks as zeros, e.g., 32 is treated as 032). The table shows the frequency of occurrence of each digit for 90 consecutive daily three-digit drawings. Digit 0 1 2 3 4 5 6 7 8 9 Total Frequency 22 27 26 29 30 25 33 29 20 29 270 picture Click here for the Excel Data File (a) Calculate the chi-square test statistic, degrees of freedom, and the p-value. (Perform a uniform goodness-of-fit test. Round your test statistic value to 2 decimal places and the p-value to 4 decimal places.) Test statistic Degrees of freedom p-value (b) Choose the correct answer by drawing a bar chart for the above data. O The graph will reveal that 8 occurs least frequently. O The graph will reveal that 9 occurs least frequently. O The graph will reveal that 6 occurs least frequently. O The graph will reveal that 7 occurs least frequently. (c) At a = .02, we cannot reject the hypothesis that…
The data below was obtained from a random survey of 459459 people. The participants were asked their political party and whether they approve, disapprove, or have no opinion of how the president is doing his job. The results of the survey are as follows: Democrat Republican Independent Total Approve 103 56 8 167 Disapprove 109 123 5 237 Undecided 27 28 5 55 Total 239 207 18 459 If a person if selected at random, what is the empirical probability that the the person approves of the job the president is doing or is an independent?
please send solution for part c and d only handwritten solution accepted
A random sample of cars was classified by size: small, medium, and large, and by region of manufacture: Asia, Europe, and North America. The following data resulted: Size of Car Small Mid-size Total Region of Manufacture Asia 92 54 2 148 Europe 19 17 40 North America Total 26 53 36 115 137 124 42 1. Among the cars manufactured in Asia, what is the probability of selecting a large car? 2. What is the probability of selecting a car that is mid-size or manufactured in North America? 3. What is the probability of selecting a car manufactured in Europe? If three cars are selected at random and without replacement, what is the probability they are all small cars manufactured in Asia? 4. Are 'region of manufacture' and 'size of car' independent or dependent? Justify your conclusion mathematically.
The table below summarizes a survey involving the relationship between living arrangements and grade point average for a group of students. If a student is selected randomly from this group, what is the probability that the student lives off campus? On Campus At home Apartment Totals Below 2.5 97 38 44 179 2.5 to 3.5 66 26 22 114 Over 3.5 18 5 8 31 Totals 181 69 74 324
The National Longitudinal Study of Adolescent Health interviewed several thousand teens (grades 7 to 12). One question asked was "What do you think are the chances you will be married in the next 10 years?" Here is a two-way table of the responses by gender: HP S Ass Opinion Female Male cha Almost no chance 119 114 139 156 Some chance but probably not A 50-50 chance 446 493 A good chance Almost certain 718 728 1177 759 a. How many individuals are described in this table? b. How many females were among the respondents? C. The percent of females among the respondents was about

Recommended textbooks for you

MATLAB: An Introduction with Applications

Statistics

ISBN:

9781119256830

Author:

Amos Gilat

Publisher:

John Wiley & Sons Inc

Probability and Statistics for Engineering and th…

Statistics

ISBN:

9781305251809

Author:

Jay L. Devore

Publisher:

Cengage Learning

Statistics for The Behavioral Sciences (MindTap C…

Statistics

ISBN:

9781305504912

Author:

Frederick J Gravetter, Larry B. Wallnau

Publisher:

Cengage Learning

MATLAB: An Introduction with Applications

Statistics

ISBN:

9781119256830

Author:

Amos Gilat

Publisher:

John Wiley & Sons Inc

Probability and Statistics for Engineering and th…

Statistics

ISBN:

9781305251809

Author:

Jay L. Devore

Publisher:

Cengage Learning

Statistics for The Behavioral Sciences (MindTap C…

Statistics

ISBN:

9781305504912

Author:

Frederick J Gravetter, Larry B. Wallnau

Publisher:

Cengage Learning

Elementary Statistics: Picturing the World (7th E…

Statistics

ISBN:

9780134683416

Author:

Ron Larson, Betsy Farber

Publisher:

PEARSON

The Basic Practice of Statistics

Statistics

ISBN:

9781319042578

Author:

David S. Moore, William I. Notz, Michael A. Fligner

Publisher:

W. H. Freeman

Introduction to the Practice of Statistics

Statistics

ISBN:

9781319013387

Author:

David S. Moore, George P. McCabe, Bruce A. Craig

Publisher:

W. H. Freeman

SEE MORE TEXTBOOKS