Below is a contingency table outlining the number of surveyed adults who use Snapchat. Use Snapchat Do Not Use Snapchat 410 750 1160 Under 50 years old 50 years or older Total 246 60 306 Total 656 810 1466 Determine the following probabilities. Enter your results as percents rounded to one decimal place. You do not need to include the "%" symbol. Hint: Convert to a percent before rounding! a. What is the probability that a randomly selected participant is 50 years or older and uses Snapchat? 4.1 % b. What is the probability that a randomly selected participant uses Snapchat given that they are under 50 years old? % c. What is the probability that a randomly selected participant uses Snapchat given that they are 50 years or older? % Based on the probabilities above, what might you hypothesize about Snapchat use among U.S. adults?
Below is a contingency table outlining the number of surveyed adults who use Snapchat. Use Snapchat Do Not Use Snapchat 410 750 1160 Under 50 years old 50 years or older Total 246 60 306 Total 656 810 1466 Determine the following probabilities. Enter your results as percents rounded to one decimal place. You do not need to include the "%" symbol. Hint: Convert to a percent before rounding! a. What is the probability that a randomly selected participant is 50 years or older and uses Snapchat? 4.1 % b. What is the probability that a randomly selected participant uses Snapchat given that they are under 50 years old? % c. What is the probability that a randomly selected participant uses Snapchat given that they are 50 years or older? % Based on the probabilities above, what might you hypothesize about Snapchat use among U.S. adults?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 7PPS
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Transcribed Image Text:Below is a contingency table outlining the number of surveyed adults who use Snapchat.
Use Snapchat Do Not Use Snapchat
410
750
1160
Under 50 years old
50 years or older
Total
246
60
306
Total
656
810
1466
Determine the following probabilities. Enter your results as percents rounded to one decimal place. You do
not need to include the "%" symbol. Hint: Convert to a percent before rounding!
a. What is the probability that a randomly selected participant is 50 years or older and uses Snapchat?
4.1
%
b. What is the probability that a randomly selected participant uses Snapchat given that they are under
50 years old?
%
c. What is the probability that a randomly selected participant uses Snapchat given that they are 50
years or older?
%
Based on the probabilities above, what might you hypothesize about Snapchat use among U.S. adults?
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