A survey reveals that 80% of the eligible people in a certaincounty vote during a county election. If 70 people in the county that areeligible to vote are chosen at random, what is the probability that at least50 people vote during the next county election?

Answered: A survey reveals that 80% of the…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

See similar textbooks

Similar questions

A conference is attended by 10 social workers and 4 auditors. If four different participants are randomly selected for a panel, find the probability that at least one is an auditor?
A four-person committee is randomly selected from a pool of 19 Americans and 131 Canadians. What is the probability that this four-person committee consist entirely of Americans?
A four-person committee is randomly selected from a pool of 19 Americans and 13 Canadians. What is the probability that this four-person committee consist entirely of Americans?
If 14% of active duty soldiers in the U.S. Army are women, find the probability that if three randomly selected soldiers are selected all three are women. Is this unusual?
in a certain county in Michigan, the rate of vaccinated school-aged children is 86%. If 30 children are to be randomly chosen from this county then what is the probability that 25 of them will be vaccinated?
A jar contains twelve green balls and seven red balls. What is the probability that a ball chosen from the urn is green?
A poll is given, showing 30% are in favor of a new building project. If 10 people are chosen at random, what is the probability that fewer than 7 of them favor the new building project?
A poll is given, showing 30% are in favor of a new building project.If 10 people are chosen at random, what is the probability that exactly 6 of them favor the new building project?
A poll is given, showing 80% are in favor of a new building project.If 4 people are chosen at random, what is the probability that exactly 1 of them favor the new building project?
A survey showed that 71% of adults need correction (eyeglasses, contacts, surgery, etc.) for their eyesight. If 8 adults are randomly selected, find the probability that at least 7 of them need correction for their eyesight. Is 7 a significantly high number of adults requiring eyesight correction?
Suppose that 40% of Tulane undergraduates intend to continue on to graduate school after completing their undergraduate degrees. Suppose we randomly select 20 Tulane undergraduates. Find the probability that at least 11 of the students in the sample intend to continue on to graduate school.
If there are 23 people in a room, and 5 of them are wearing blue shirts, what is the probability that a randomly selected person in the room is wearing a blue shirt?

SEE MORE QUESTIONS

Recommended textbooks for you

A First Course in Probability (10th Edition)

Probability

ISBN:

9780134753119

Author:

Sheldon Ross

Publisher:

PEARSON

A First Course in Probability

Probability

ISBN:

9780321794772

Author:

Sheldon Ross

Publisher:

PEARSON

A First Course in Probability (10th Edition)

Probability

ISBN:

9780134753119

Author:

Sheldon Ross

Publisher:

PEARSON

A First Course in Probability

Probability

ISBN:

9780321794772

Author:

Sheldon Ross

Publisher:

PEARSON

SEE MORE TEXTBOOKS

A survey reveals that 80% of the eligible people in a certain county vote during a county election. If 70 people in the county that are eligible to vote are chosen at random, what is the probability that at least 50 people vote during the next county election?