1. The following is a summary of the results of a survey:Full-TimePart-TimeColumn TotalsFaculty254873b. P(Full-Time)c. P( Part-Time, given Faculty)d. P(Staff, given Full-Time)e.P( Full-Time and Staff)f. P(Part-Time or Administration)Staff16723A respondent is randomly chosen. Find the following probabilities:a. P(Faculty)Administration9312Row Totals5058-1082. The probability that it will rain today is 50%. The probability that it will rain tomorrow is 60%.There is a 30% probability that it will rain both days. What is the probability that it will raineither today or tomorrow?3. A committee is composed 30% of females and 60% of administrators. Among theadministrators, 10% are females. What is the probability that a randomly chosen member ofthe committee is both an administrator and a female?a.b.c. 13, 11, 14, 8, 144. If a balanced die is rolled, what is the probability that the number of dots on the top face iseither odd or less than four?5. A bowl contains ten marbles. Four are red and six are blue. Two marbles are drawn from thebowl without replacement. What is the probability that both marbles drawn are blue?6. For each random sample below, compute the mean, median, variance, and standard deviation(rounded to two decimal places);6, 2, 1, 4, 6, 511.2, 10.0, 25.4, 8.4, 11.0

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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 interview for a job, the interviewer says that the average annual income of the company's 16 employees is $73,610. The actual annual incomes of the 16 employees are shown below. Which measure of central tendency would be most informative to the potential employee? OOO O O median O mode O mean Orange $12,500 $12,500 $16,430 $17,305 $17,408 $18,980 $20,432 $24,540 $25,676 $28,906 $28,956 $32,654 $94,024 $98,213 $250,921 $478,320
A group of 11 students was selected at random and asked for their high school GPA and their freshmen GPA in college the subsequent year. The results were: Student High School GPA Freshmen GPA 1 2.0 1.6 2 2.2 2.0 3 2.6 1.8 4 2.7 2.8 5 2.8 2.1 6 3.1 2.0 7 2.9 2.6 8 3.2 2.2 9 3.3 2.6 10 3.6 3.0 We would like to know whether there is a linear relationship between the high school GPA and the college freshmen GPA, and we would like to be able to predict the freshmen GPA, if we know that the high school GPA of another student is, say, 3.4. Provide the two requested scatter plots for this data (put college freshman GPA on the Y (vertical) axis!). a) What would be your approximate 95% prediction interval for question (g)? b) Show your scatterplot with the predicted trend line below
Out of 2500 light bulbs that were tested, 135 were defective. Based on this information calculate the following probabilities. Enter your answers as a reduced fraction using / for the fraction bar. P(defective) = Answer P(not defective) = Answer S
Instructor-created question The favorite sports of students in a statistics class are shown in the following table. Students' Favorite Sports O None Soccer Hockey Soccer Hockey Soccer 1. Frank 2. Angelica 3. Craig 4. Keith Baseball Нockey Нockey Football 5. Kat 6. Gerardo 7. Jason 8. Marissa 9. Anas 10. Harold 11. Calvin 12. Amy Hockey Baseball a. Suppose technology randomly selects the following values: 6, 2, 9. 4. 3, 5. Use this random sample to find the proportion of students who prefer hockey. LType an integer or a simplified fraction.) If your result is used to describe the sample, is this part of descriptive or inferential statistics? Explain. OA. Descriptive statistics because it uses tables, graphs, or calculations about a sample to draw conclusions about only the sample. O B. Descriptive statistics because it is using information from a sample to draw conclusions about the entire population. O C. Inferential statistics because it uses tables, graphs, or calculations about a…
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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: Opinion Female Male Almost no chance 120 104 Some chance but probably not 141 158 A 50-50 chance 454 499 A good chance 742 729 Almost certain 1168 764 What percent of females thought that they were almost certain to be married in the next 10 years?
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A manufacturing plant knows that in reality 80% of products made are perfect. An inspector selects four products at random. What is the mean number of perfect products in any sample of 4? It can be assumed that each product is independent of the others.

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