61% of all Americans live in cities with population greater than 100,000 people. If 37 Americans arerandomly selected, find the probability thata. Exactly 23 of them live in cities with population greater than 100,000 people.b. At most 24 of them live in cities with population greater than 100,000 people.c. At least 20 of them live in cities with population greater than 100,000 people.d. Between 20 and 24 (including 20 and 24) of them live in cities with population greater than 100,000people.

In this case, each of the Americans has the only options of "living" (determined as success) or 'not…

Answered: 61% of all Americans live in cities…

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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Suppose 22% of students at a certain university are out of state students. A professor takes a random sample of 50 students. Let X = the number of out of state students in the sample. a. how many students are expected to be out of state? by how much does this vary? b. what is the probability that 10 will be out of state? c. what is the probability that 10 or fewer will be out of state? d. what is the probability that fewer than 10 will be out of state?
According to government data, 73% of employed women have never been married. Rounding to 4 decimal places, if 15 employed women are randomly selected: a. What is the probability that exactly 2 of them have never been married? b. That at most 2 of them have never been married? c. That at least 13 of them have been married?
48% of all violent felons in the prison system are repeat offenders. If 38 violent felons are randomly selected, find the probability that a. Exactly 17 of them are repeat offenders. b. At most 17 of them are repeat offenders. c. At least 17 of them are repeat offenders. d. Between 14 and 20 (including 14 and 20) of them are repeat offenders.
60% of owned dogs in the United States are spayed or neutered. Round your answers to four decimal places. If 44 owned dogs are randomly selected, find the probability thata. Exactly 27 of them are spayed or neutered. b. At most 29 of them are spayed or neutered. c. At least 27 of them are spayed or neutered. d. Between 26 and 33 (including 26 and 33) of them are spayed or neutered.
62% of owned dogs in the United States are spayed or neutered. Round your answers to four decimal places. If 48 owned dogs are randomly selected, find the probability thata. Exactly 30 of them are spayed or neutered. b. At most 33 of them are spayed or neutered. c. At least 31 of them are spayed or neutered. d. Between 24 and 30 (including 24 and 30) of them are spayed or neutered.
Suppose that a screening test diagnoses 90% of sick people positive and 90% of healthy people negative. Assume that 15% of those screened are sick. If a screened person is chosen at random, then the probability of having a negative diagnosis is: O a. 0.78 b. 0.0192 C. 0.981 O d. 0.109 O e. 0.22
71% of owned dogs in the United States are spayed or neutered. Round your answers to four decimal places. If 37 owned dogs are randomly selected, find the probability thata. Exactly 24 of them are spayed or neutered. b. At most 28 of them are spayed or neutered. c. At least 28 of them are spayed or neutered. d. Between 25 and 29 (including 25 and 29) of them are spayed or neutered.
79% of owned dogs in the United States are spayed or neutered. Round your answers to four decimal places. If 46 owned dogs are randomly selected, find the probability that a. Exactly 37 of them are spayed or neutered. b. At most 38 of them are spayed or neutered. c. At least 35 of them are spayed or neutered. d. Between 34 and 42 (including 34 and 42) of them are spayed or neutered.
85% of owned dogs in the United States are spayed or neutered. Round your answers to four decimal places. If 40 owned dogs are randomly selected, find the probability thata. Exactly 32 of them are spayed or neutered. b. At most 33 of them are spayed or neutered. c. At least 33 of them are spayed or neutered. d. Between 31 and 35 (including 31 and 35) of them are spayed or neutered. Submit QuestionQuestion 9
62% of owned dogs in the United States are spayed or neutered. Round your answers to four decimal places. If 42 owned dogs are randomly selected, find the probability that a. Exactly 26 of them are spayed or neutered. b. At most 27 of them are spayed or neutered. c. At least 23 of them are spayed or neutered. d. Between 24 and 31 (including 24 and 31) of them are spayed or neutered. Round all answers to 4 decimal places.
61% of all violent felons in the prison system are repeat offenders. If 41 violent felons are randomly selected, find the probability that a. Exactly 24 of them are repeat offenders. b. At most 26 of them are repeat offenders. c. At least 22 of them are repeat offenders. d. Between 22 and 27 (including 22 and 27) of them are repeat offenders.
7. 64% of all violent felons in the prison system are repeat offenders. If 40 violent felons are randomly selected, find the probability that a. Exactly 23 of them are repeat offenders. ?b. At most 28 of them are repeat offenders. ?c. At least 27 of them are repeat offenders. ?d. Between 23 and 30 (including 23 and 30) of them are repeat offenders. ?

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