In a group of 30 students, the probability that at most 25 of them like to swimis 56%. What is the probability that at least 26 of them like to swim?A. 62%B. 44%C. 38%D. 55%

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Answered: In a group of 30 students, the…

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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A statistics teacher gives a 10-question multiple-choice pop quiz with five answer choices per problem. Brandon is not prepared and has to guess the answer for each of the 10 questions. The teacher explains that students will receive a free homework pass if they answer at least five questions correctly. What is the probability that Brandon will earn a free homework pass? A. 0.006 B. 0.026 C. 0.033 D. 0.967 E. 0.994
Suppose that you toss a fair coin three times. What is the probability that you will get a head three times? Select one: a. 0.125 O b. 0.25 O c. 0.5 O d. 0
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Pet owners often have more than one type of pet. A recent survey shows that 70% own a dog, 44% own a cat, and 30% own both a dog and cat. Suppose a person is randomly selected. Determine the probability this person 1. has a dog or a cat or both. 2. does not have a dog nor a cat. 3. only has a dog. 4. Given the person has a dog, what is the probability that this person has a cat?
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In a group of 30 students, the probability that at most 25 of them like to swim is 56%. What is the probability that at least 26 of them like to swim? A. 62% B. 44% C. 38% D. 55%