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1. Assume p = 100 and 6 = 16 1.1 What is the probability of selecting at random from the general population a person with an I. Q. score at least 132? What is the probability of selecting at random an individual with an I.Q. of at least 92? 1.2 What is the probability of drawing, at random, 3 individuals with I. Q's equalizing or exceeding 124? 1.3

1. Assume p = 100 and 6 = 16 1.1 What is the probability of selecting at random from the general population a person with an I. Q. score at least 132? What is the probability of selecting at random an individual with an I.Q. of at least 92? 1.2 What is the probability of drawing, at random, 3 individuals with I. Q's equalizing or exceeding 124? 1.3

College Algebra
College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 4ECP: Show that the probability of drawing a club at random from a standard deck of 52 playing cards is...
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1. Assume µ = 100 and 6 = 16 What is the probability of selecting at random from the general population a person with an I. Q. score at least 132? 1.1 What is the probability of selecting at random an individual with an I.Q. of at least 92? 1.2 What is the probability of drawing, at random, 3 individuals with I. Q's equalizing or exceeding 124? 1.3 2. Baguio City, Philippines, is trying to increase its tourism, a great source of revenue. Among other things, Baguio prides itself on its temperature climate. The tourism department would like to include in its glossy new brochure the middle range of temperatures that occur 90% of the days there. A check with the National Weather service finds that the average temperature in Baguio is 76 degrees with a standard deviation of 5.7 (the temperatures were normally distributed). Help the
Transcribed Image Text:1. Assume µ = 100 and 6 = 16 What is the probability of selecting at random from the general population a person with an I. Q. score at least 132? 1.1 What is the probability of selecting at random an individual with an I.Q. of at least 92? 1.2 What is the probability of drawing, at random, 3 individuals with I. Q's equalizing or exceeding 124? 1.3 2. Baguio City, Philippines, is trying to increase its tourism, a great source of revenue. Among other things, Baguio prides itself on its temperature climate. The tourism department would like to include in its glossy new brochure the middle range of temperatures that occur 90% of the days there. A check with the National Weather service finds that the average temperature in Baguio is 76 degrees with a standard deviation of 5.7 (the temperatures were normally distributed). Help the
tourism department by finding the two temperatures that cut off the middle 90% of temperatures in Baguio City. 3. The foreign service exam gives passing grade to only the top 10% of those taking the exam. The mean score is 84, with a standard deviation of 8. What should be the minimum passing grade?
Transcribed Image Text:tourism department by finding the two temperatures that cut off the middle 90% of temperatures in Baguio City. 3. The foreign service exam gives passing grade to only the top 10% of those taking the exam. The mean score is 84, with a standard deviation of 8. What should be the minimum passing grade?
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