Researchers sampled 185 young women who recently participated in a STEM program. Of the 185 STEM participants, 112 were in urban areas, 59 in suburbanareas, and 14 in rural areas. If one of the participants is selected at random, what is the probability that she is from an urban area? Not a rural area?The probability that she is from an urban area is(Round to three decimal places as needed.)The probability that she is not from a rural area is(Round to three decimal places as needed.)inockduffsalackDgma

Given,no.of participants were in urban areas=112no.of participants were in suburban arears=59no.of…

Answered: Researchers sampled 185 young women who…

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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Out of a sample of 10,000 men, the probability that a man picked at random weighs over 190 pounds is 0.25. The probability that a man weighs less than 135 pounds is 0.15. What is the probability that a man picked at random weighs either 190 pounds or under 135 pounds?
About 45% of students participate in a community volunteer program outside of school. If 50 students are selected at random, find the probability that at most 25 of them participate in a community volunteer program outside of school.
A group of people were asked if they had run a red light in the last year. 470 responded "yes", and 283 responded "no".Find the probability that if a person is chosen at random, they have run a red light in the last year.
In a review class of 80 students, 70 passed the board exam. If a student is selected at random, what is the probability that he passed?
. Assume that 75 percent of the students at the university have taken 4 years of high school math. Of those with four years of high school math, 80 percent plan to major in science. Of those without 4 years, only 10 percent plan to major in science. You stop a student at random. If the student plans to major in science, what is the probability that this student had four years of high school math?
Eight percent of Americans have a master's degree. If five Americans are selected at random, what is the probability that none of the five have a master's degree?
A researcher is selecting lab rats for her experiment. She assigns each rat a number and picks numbers out of a hat while blindfolded. The pool of rats from which she is drawing participants is composed of the following: 23 male albino rats 21 male spotted rats 35 female albino rats 11 female spotted rats If she reaches into the hat once, what is the probability of choosing a female rat or an albino rat? Give your answer as a decimal rounded to 4 decimal places.
at a university, 60% of the 7400 students are female. the student newspaper reports results of a survey of a random sample of 200 students about various topics involving alcohol abuse, such as participation in binge drinking. find the probability that between 50 and 60 percent of students in a random sample of 200 are female.
6. A small company can employ 3 workers. Each worker independently stays on the job for an exponentially distributed time with a mean of one year and then quits. When a worker quits, it takes the company an exponentially distributed time with a mean of 1/10 of a year to hire a replacement for that worker (independently of how long it takes to replace other workers). If the company takes in $1000 per day in revenue when it has 3 workers, $800 per day when it has 2 workers, and $500 per day when it has 0 or 1 workers, what is the company's long-run average daily revenue?
Of the patients at a cardiac rehabilitation centre, 36% lead a sedentary lifestyle and have had a heart attack. If 78% of the patients lead a sedentary lifestyle, find the probability that a randomly selected patient has had a heart attack, given that he or she leads a sedentary lifestyle. Answer:
A survey determines that in Blue Village, 0.33 of the residents do jogging, 0.42 do biking, and 0.12 do both activities. Find the probability that a randomly selected person does biking only.
A survey from Teenage Research Unlimited found that 40% of teenage consumers receive theirspending money from part-time jobs. If 5 teenagers are selected at random:a. Find the probability that at least 3 of them will have part-time jobs.b. Find the probability that no more than 4 will have part-time jobs.c. Find the probability that less than 5 but greater than 3 will have part-time jobs.

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