Answered: Respondent University Graduate…

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 table below shows the results of a survey that asked 1051 adults from a certain country if they favored or opposed a tax to fund education. A person is selected at random. Support Oppose Unsure Total Males 165 316 15 496 Females 242 295 18 555 Total 407 611 33 1051 Find the probability that the person supports the tax or is male. P(supports the tax or is male) = (Round to the nearest thousandth as needed.)
The percentage of mechanical-, civil-, aeronautical-, industrial-, and chemical-engineer- ing students in the course, Engineering Mathematics, is, respectively, 25, 20, 15, 22, and 18. The probability of a mechanical-, civil-, aeronautical-, industrial-, and chemical-en- gineering students getting the grade A is 0.7, 0.6, 0.8, 0.5, and 0.65, respectively. If a student chosen at random at the end of the semester earned an A in the course, find the probability of the student belonging to mechanical engineering.
The table below shows the results of a survey that asked 1058 adults from a certain country if they favored or opposed a tax to fund education. A person is selected at random. Support Oppose Unsure Total Males 153 333 9 495 Females 230 303 30 563 Total 383 636 39 1058 Find the probability that the person is not unsure or is female. P(is not unsure or is female)=
A raffle ticket costs $5. First and second prize winners will be drawn at random. The probability of winning the $100 first prize is 1/40 and the probability of winning the $25 second prize 1/20. A) find the probability model of a player's net gain, taking into account the $5 cost of the ticket? B) what is the mean winning for one play?
The table below shows the results of a survey that asked 1079 adults from a certain country if they favored or opposed a tax to fund education. A person is selected at random. Complete parts (a) through (c). =TTTE Support Oppose Unsure Total Males 171 332 8 511 Females 245 298 25 568 Total 416 630 33 1079 (a) Find the probability that the person opposed the tax or is female. P(opposed the tax or is female) =| (Round to the nearest thousandth as needed.) (b) Find the probability that the person supports the tax or is male. P(supports the tax or is male) =| (Round to the nearest thousandth as needed.) (c) Find the probability that the person is not unsure or is female. P(is not unsure or is female) = (Round to the nearest thousandth as needed.)
Assume that when adults with smartphones are randomly selected, 43% use them in meetings or classes. If 14 adult smartphone users are randomly selected, find the probability that fewer than 3 of them use their smartphones in meetings or classes. The probability is?
Homework Housework Outside Employment Recreation Other Total Male 29 15 20 23 96 Female 18 17 26 39 4 104 Total 47 32 46 62 13 200
A researcher wanted to study the commuting habits of community college students and faculty. He wanted to compare their mode of transportation to the college. He asked if they walk, bike, or drive to campus. The following table represents the data that was collected. Walks to campus Bikes to campus Drives to campus Total Students 70 22 78 170 Faculty 5 4 23 32 Total 75 26 101 202 A. Find the probability that a randomly selected member of faculty walks to campus. B. If you are randomly selecting a person from those who bike to campus, what is the probability that you will select a student. C. Perform a Test of Independence to determine if commuting habits are dependent on being a student or a faculty.
Assume that when adults with smartphones are randomly selected, 56% use them in meetings or classes. If 77 adult smartphone users are randomly selected, find the probability that exactly 33 of them use their smartphones in meetings or classes. The probability is?
The table below shows the results of a survey that asked 2853 people whether they are involved in any type of charity work. A person is selected at random from the sample. Complete parts (a) through (d). Occasionally Frequently 223 Not at all Total Male 453 793 1469 Female 205 430 749 1384 Total 428 883 1542 2853 (a) Find the probability that the person is frequently or occasionally involved in charity work. P(being frequently involved or being occasionally involved) = 0.460 (Round to the nearest thousandth as needed.) (b) Find the probability that the person is female or not involved in charity work at all. P(being female or not being involved) = (Round to the nearest thousandth as needed.)
The table below shows the results of a survey that asked 2866 people whether they are involved in any type of charity work. A person is selected at random from the sample. Complete parts (a) through (d). Frequently Male Occasionally Not at all Total 222 455 798 1475 Female 202 440 749 1391 Total 424 895 1547 2866 (a) Find the probability that the person is frequently or occasionally involved in charity work. P(being frequently involved or being occasionally involved) =| (Round to the nearest thousandth as needed.) Enter your answer in the answer box and then click Check Answer. 3 parts remaining Clear All Check Answer P Type here to search a 12:56 PM 99+ 20 4/4/2021 ort se సలంు 144 insert 14 IDI & $ 4 @ # 8. 9. %3D + backspace Yome R. Y U tab A F G caps lock Daave D.

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Respondent	University Graduate	Non-Graduate	Total
A: Smoker	14	26	40
B: Non-smoker	6	4	10
Total	20	30	50

Respondent University Graduate Non-Graduate Total A: Smoker 14 26 40 B: Non-smoker 6 4 10 Total 20 30 50 A researcher collected a sample of 50 respondents in a mall. The data is as above. Calculate a) probability (A | University graduate) b) probability ( University graduate | A)