Problem #2 - Hair and EyesHair color and eye color were recorded for a random sample of 592 people. The results are shown in the tablebelow.Eye ColorBrownBlueHazelGreenTOTALBlack6820155108Hair ColorRed2617141471Brown119845429286Blond794C. has Blond Hair OR Green EyesD. has Brown Hair AND Brown EyesE. does NOT have both Brown Hair and Brown Eyes1016127TOTAL2202159364592Compute the probability that a randomly selected person from this sample_A. has Brown EyesB. has Black OR Red Hair

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Answered: Problem #2 - Hair and Eyes Hair color…

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...

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The table shown gives the languages studied by 400 students at a small college: Freshmen Sophomores Juniors Seniors Total Spanish 50 35 33 29 147 French 40 40 39 37 156 Chinese 20 25 28 24 97 Total 110 100 100 90 400 Find each of the following, giving your answer as a fraction. a. What is the probability that a randomly selected student is a freshman in Spanish class? b. What is the probability that a randomly selected student is in a French class? c. What is the probability that a randomly selected sophomore is taking French? d. A randomly selected student is known to be taking Spanish. What is the probability that the student is a freshman? e. What is the probability that a randomly selected student who is taking Chinese is also a senior?
4 children. He makes a fast, wrong estimate of the probability of various mixes of boys and girls among QUESTION 3. Mr. Fastwrong is working for the census department and he is counting families that have the families. His assistant, Ms. Slowright, analyzes the issue and corrects his work. Fill her corrections of his wrong guesses into the table below. Number of boys among the 4 children 1 0 4 3 2 Number of girls among the 4 children 0 1 2 4 Use fractions (not percents) in your answers. Mr. Fastwrong's estimate of the fraction of families having this distribution of boys and girls 1/5 1/5 1/5 1/5 1/5 Ms. Slowright's estimate of the fraction of families having this distribution of boys and girls
Question 8 The accompanying table describes results from groups of 8 births from 8 different sets of parents. The random variable x represents the number of girls among 8 children. A. Find the probability of getting exactly 6 girls in 8 births. B. Find the probability of getting 6 or more girls in 8 births. C. Which probability is relevant for determining whether 6 is a significantly high number of girls in 8 births: the result from part (a) or part (b)? A. The result from part a, since it less than the probability of the given or more extreme result. B. The result from part b, since it is the probability of the given or more extreme result. This is the correct answer. C.The result from part a, since it is the exact probability being asked. Your answer is not correct. D.The result from part b, since it is the complement of the result of part a. D. Is 6 a significantly high number of girls in 8 births? Why or why not? Use 0.05 as the threshold for a…
Question 1 In a survey of top executives, it was found that 54% had either traveled internationally on business or could fluently speak a foreign language. The probability that an executive who had not traveled internationally could speak a foreign language was 20%. It was found that only 2% of the executives had traveled internationally and could speak a foreign language. Imagine we randomly pick a top executive who answered the survey. a.What is the probability that the executive has not traveled internationally and does not speak a foreign language fluently? b.What is the probability that the executive does not speak a foreign language fluently? c.What is the probaility that an executive has not traveled internationally? d. If we had a random sample of 10 top executives (who responded to the survey), what would be the probability that two had traveled internationally? -.
1) The question screenshot attached down below just need final answer.
First year university students were asked if they take any of the three courses listed in the Venn diagram. A student from this group is selected at random, what is the probability that this student takes both chemistry and Spanish? Chemistry Spanish 70 17 15 60 85 Math 5.7% 6.9% 9.2% 8.4%
1. Giving a test to a group of students, the grades and gender are summarized below A B C Total Male 2 10 16 28 Female 3 17 13 33 Total 5 27 29 61 If one student is chosen at random,Find the probability that the student was female AND got a "B".

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