Giving a test to a group of students, the grades and gender are summarized belowTotalMale10121739Female206.31Total30172370If one student is chosen at random,Find the probability that the student was male GIVEN they got a 'B'.

From the provided information, Total students = 70 Total students in section B = 17 Total students…

Answered: Giving a test to a group of students,…

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 histogram below gives the length of service of members of the Department of English at a particular university. The classes, in years of service, are 0−−4.9, 5−−9.9, etc., and the vertical axis represents the number of faculty. 1) What percent of the department faculty have less than 15 years of service? 2) If a member of the department is chosen at random to serve on a university committee, what is the probability (in decimal form) that the chosen representitive will have between 5 and 45 years of service? 3) What is the probability the representative above will have less than 20 years of service given that the person has less than 25 years of service?
Use the data in the following table, which lists survey results from high school drivers at least 16 years of age. Assume that subjects are randomly selected from those included in the table. Drove When Drinking Alcohol? No 3171 4430 Yes Texted While Driving 714 No Texting While Driving 172 If four different high school drivers are randomly selected, find the probability that they all drove when drinking alcohol. The probability that four randomly selected high school drivers all drove when drinking alcohol is (Round to six decimal places as needed.)
A social scientist gathers a carefully chosen group of 20 people whom she is selected to represent a broad cross section of the multiple of the population in New York City. She interviews them in depth for a study that she is doing regarding race relations in the city. Is there a probability sample? Explain your answer.
A marketing company has randomly surveyed 204 men who watch professional sports. The men were separated according to their educational level (college degree or not) and whether they preferred the NBA or the National Football League (NFL). The results of the survey are shown to the right. Complete parts a through d. Sports Preference NBA College Degree 36 No College O Degree 58 NFL 19 91 a. What is the probability that a randomly selected survey participant prefers the NFL? (Round to four decimal places as needed.) b. What is the probability that a randomly selected survey participant has a college degree and prefers the NBA? (Round to four decimal places as needed.) c. Suppose a survey participant is randomly selected and you are told that he has a college degree. What is the probability that this man prefers the NFL? (Round to four decimal places as needed.) d. Is a survey participant's preference for the NBA independent of having a college degree? No. The two events are not…
The mean number of boxes shirts purchased from a souvenir store per week is 5. Find the probability that in a week there are three or more boxes of shirts sold. a. 0.543 b. 0.491 c. 0.549 d. 0.351
Giving a test to a group of students, the grades and gender are summarized below A Total Male 14 12 31 Female 19 15 42 Total 13 33 27 73 If one student is chosen at random, Find the probability that the student was male OR got an "B". 58
Extra Credit! Let's assume 36% of people have blood type O. At a health clinic, you sample 11 people. Calculate the probability of seeing 4 people out of 11 with blood type O. 6.38% O 24.38% 21.28% 330
What is the probability of selecting all women for a seven-person jury from a pool of fifteen men and fifteen women? Round your decimal answer to four places.
As to the below Travel Expenses table published by the Students’ Union, 185 students were randomly selected to help understand the travel expenses and distance to campus. What’s the probability for Mike to spend over £10 on journeys to campus? Distance to Campus (miles) Amount spent, £ 0.1 to 0.25 0.26 to 1.0 Over 1.0 0 – 4.99 35 26 10 5.00 – 9.99 18 39 20 10.00+ 4 14 19 I have three answers and I am not sure which one is correct: a) 37/ 185 b) 19/ 185 c) 19/49 Please write which answer is correct and WHY... Thank you
Please explain your answers . Thank you.
This is statistics and probability Please answer ASAP
In the United States, voters who are neither Democrat nor Republican are called Independent. It is believed that 9% of voters are Independent. A survey asked 27 people to identify themselves as Democrat, Republican, or Independent. A. What is the probability that none of the people are Independent? Probability = B. What is the probability that fewer than 5 are Independent? Probability = C. What is the probability that more than 3 people are Independent? Probability =

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Giving a test to a group of students, the grades and gender are summarized below Total Male 10 12 17 39 Female 20 6. 31 Total 30 17 23 70 If one student is chosen at random, Find the probability that the student was male GIVEN they got a 'B'.