The contingency table shows the results of a survey of video viewing habits by age. Vides Viewing PlatforsPreferredNobile/LaptopViewer AgeDevice T Screen Row Tetal3918 to 3435 to 3455Column Total2463141428215545100Find the folowing probabities or percentages(e) Probabity that a viewer is aged 18 to 34 (Round your answer to 2 decimal pieces.)Probabilty(b) Probabity that a viewer preters watching videos on a TV screen (Round your answer to 2 decimal piecesProbability

(a) Using the given contingency table, the probability that a viewer is aged 18 to 34 is,…

Answered: Platfore Preferret NLle/Laptop Viewer…

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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Samples of forty-two (42) college students are considered for study and were categorized according to year level. The data set is Freshman Freshman Sophomore Freshman Junior Sophomore Sophomore Freshman Sophomore Freshman Sophomore Senior Senior Senior Senior Sophomore Sophomore Junior Freshman Freshman Freshman Sophomore Junior Junior Freshman Freshman Sophomore Senior Senior Junior Sophomore Freshman Freshman Freshman Construct a frequency distribution for the data. Solution: Class Total Tally -ww Frequency Freshman Junior Junior Sophomore Junior Junior Freshman Relative Frequency Sophomore Percentage
Consider the U.S. Electoral College System. For each of the 50 states, determine the number of delegates received. Create a frequency table with 8 classes.
Among fatal plane crashes that occurred during the past 70 years, 684 were due to pilot error, 97 were due to other human error, 679 were due to weather, 240 were due to mechanical problems, and 218 were due to sabotage. Construct the relative frequency distribution. What is the most serious threat to aviation safety, and can anything be done about it? Complete the relative frequency distribution below. Cause Relative Frequency Pilot error % Other human error % Weather % Mechanical problems % Sabotage % (Round to one decimal place as needed.)
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The Affordable Care Act created a market place for individuals to purchase health care plans. A sample of premiums for the bronze level health insurance are given in the table. Create frequency polygon for the data using 5 classes. 40 -35 -30 -25 20 -15 -10 -5 $293 $165 $233 $122 $262 $263 Select the correct frequency polygon. $157 $243 $141 $140 $176 $158 -40 -35 -30 -25 20 -15 -10 -5 50 100 150 200 250 300 350 50 100 150 200 250 300 $228 $173 $275 $179 $180 $221 ; } 5 5 } 5 40 35 30 -25 20 15 10 -5 50 $163 $241 $209 $294 $110 $142 $143 $167 $174 $281 $111 $235 $256 $166 $119 $194 $206 $258 50 100 150 200 250 300 350 100 150 200 250 300
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The following frequency distribution gives the credit card debt of bank customers. Debt Frequency $0- $999 100 $1000 $1999 300 $2000 - $2999 1200 $3000 - $3999 1100 $4000 $4999 600 $5000 - $5999 200 Give the class boundaries. $999 O $1999.50, $2999.50, $3999.50, $4999.50 $1999.05, $2999.05, $3999.05, $4999.05 O $1000 « Previous
Construct the frequency distribution table with the detailed parts. Age of Customer Passengers of Nick Travel agency 59 50 52 38 80 62 77 56 60 61 58 62 51 36 54 15 71 54 44 52 26 63 58 56 41 34 61 50 60 53 62 62 53 43 63 71 65 79 45 66
Texting while driving has become a national focus now that cell phones are ubiquitous and texting while driving results in ever-increasing injuries and deaths. According to 2013 study, 44.5% of US Teenage drivers text while driving. You want to see how Gainesville teenage drivers compare to national teens. You randomly select 300 local high school students (ages 16-19) and ask if they have texted while driving within the past 30 days. The data is recorded in the table. Yes No 142 158 Find a 95% confidence interval for the percentage of teenage drivers who text while driving. Then explain what the confidence interval means in this context.

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