7 The following table shows the relative frequencies of theages of students in a secondary school.Age(in years)1314151617TotalRelativefrequency0.150.310.210.190.141a A student from this school is randomly selected.Find the probability that:i The student is 15 years old.ii The student is 16 years of age or older.8 There are 1200 students in this school.b Find the number of 15-year-old students.The six sides of a whirligig are numbered 1 through6. The table shows the results of 100 games.Number on the whirligig 1 2 3 4 5 6Frequency27 18 17 15 16 7a What is the relative frequency for the output of 1?bDo you think the whirligig is balanced? Give a reason for your answer.c The whirligig is rotated 3000 times. Estimate the number of times a4 will be rolled.

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Answered: 7 The following table shows 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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O A. 0.526 The distribution of Master's degrees conferred by a university is listed in the table. Assume that a student majors in only one subject. ОВ. 0.248 С. 0.474 Major Frequency O D. 0.226 Mathematics 228 English 208 86 Engineering Business 176 Education 222 What is the probability that a randomly selected student with a Master's degree majored in English or Mathematics? Round your answer to three decimal places. Click to select your answer. e Type here to search a 99+ s 144 (@ %23 %24 4. & 1t tab E T Y aps lock A D G "K LL
1. Use this table for the following questions: Female Male TotalShort Hair 20 40 60 Long Hair 30 10 40 Total 50 50 100 a. Complete a total probability table.b. Complete a row probability tablec. Complete a column probability table.d. The probability that a student does not have long hair. _________e. The probability that a student is male or has short hair. ________f. The probability that a student is a female and has long hair. _________g. The probability that a student is male, given that the student has long hair. _________h. The probability that a student has long hair, given that the student is male. _________i. Of all the female students, the probability that a student has short hair. ________j. Of all students with long hair, the probability that a student is female. _________k. The probability that a student is female or has long hair.…
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The following table summarizes the ages of the 400 richest Americans. Suppose we select one of these individuals. Find the probability that the selected individual is less than 80 years old. Ages Frequency less than 40 7 40 up to 50 47 50 up to 60 90 60 up to 70 109 70 up to 80 93 80 up to 90 45 90 or more 9
The table lists the smoking habits of a group of college students. Regular Smoker Heavy Smoker Total 173 222 395 Sex Non-smoker Man Woman Total 135 187 322 OA. 0.942 OB. 0.911 OC. 0.945 O D. 0.863 33 21 54 5 14 19 If a student is chosen at random, find the probability of getting someone who is a man or a non-smoker. Round your answer to three decimal places. C
Which of the following is a discrete random variable? O length of time spent watching movies volume of gas use in a household length of a bike number of butterflies in your backyard
K The following data represent the number of drivers involved in a fatal crash in 2016 in various light and weather conditions. Complete parts (a) through (c) below. Click the icon to view the data for fatal crashes in 2016. (a) Among fatal crashes in unknown weather conditions, what is the probability that a randomly selected fatal crash occurs when it is dawn/dusk? The probability that a randomly selected fatal crash in unknown weather conditions occurs when it is dawn/dusk is approximately. (Round to three decimal places as needed.) Data table Weather Daylight Dark, but Lighted 5875 497 51 54 255 Normal Rain Snow/Sleet Other Unknown 14,307 875 219 125 810 (...) Dark 8151 681 156 220 548 Dawn/Dusk Other 1183 87 40 71 65 8 2 9 133 X
Provide an appropriate response. The distribution of Master's degrees conferred by a university is listed in the table. Assume that a student majors in only one subject. 23 What is the probability that a randomly selected student with a Master's degree majored in English or Mathematics? Round your answer to three decimal places. Major Mathematics 229 Frequency English 203 Engineering 86 Business Education O 0.222 O 0.528 O 0.472 O 0.250 176 222
Data from a survey can allow one to estimate how many people who classified their work status as part-time or full-time actually worked in the last week. Find the probability that the hours worked were 29 or less given that the worker was part-time. Labor Force Status Full-Time Worker Part-Time Worker Total 0-19 20-29 30-39 40-49 25 Hours Worked in the Last Week 50 or More 74 99 45 134 693 378 1275 Total 81 83 42 23 303 126 217 735 401 1578 The probability that the hours worked were 29 or less and that the worker was part-time is (Round to four decimal places as needed.) The probability that the hours worked were 29 or less given that the worker was part-time is (Round to four decimal places as needed.)

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