Question content area top Part 1 A national survey indicated that 4040​% of adults conduct their banking online. It also found that 4040​% are under the age of​ 50, and that 1010​% are under the age of 50 and conduct their banking online. ​a) What percentage of adults do not conduct their banking​ online? ​b) What type of probability is the 1010​% mentioned​ above? ​c) Construct a contingency table showing all joint and marginal probabilities. ​d) What is the probability that an individual conducts banking online given that the individual is under the age of​ 50? ​e) Are Banking online and Age​ independent? Explain.         Question content area bottom Part 1 ​a) The percentage of adults that do not conduct their banking online is 6060​%. Part 2 ​b) What type of probability is the 1010​% mentioned​ above?     marginal probability   personal probability   joint probability Your answer is correct.   empirical probability Part 3 ​c) Complete the contingency table below.   Age   Online Banking   Yes No Total Under 50 enter your response here enter your response here enter your response here 50 or Older enter your response here enter your response here enter your response here Total enter your response here enter your response here enter your response here     ​(Do not​ round.)

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 50E: Flexible Work Hours In a recent survey, people were asked whether they would prefer to work flexible...
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Question content area top

Part 1
A national survey indicated that
4040​%
of adults conduct their banking online. It also found that
4040​%
are under the age of​ 50, and that
1010​%
are under the age of 50 and conduct their banking online.
​a) What percentage of adults do not conduct their banking​ online?
​b) What type of probability is the
1010​%
mentioned​ above?
​c) Construct a contingency table showing all joint and marginal probabilities.
​d) What is the probability that an individual conducts banking online given that the individual is under the age of​ 50?
​e) Are Banking online and Age​ independent? Explain.
 
 
 
 

Question content area bottom

Part 1
​a) The percentage of adults that do not conduct their banking online is
6060​%.
Part 2
​b) What type of probability is the
1010​%
mentioned​ above?
 
 
marginal probability
 
personal probability
 
joint probability
Your answer is correct.
 
empirical probability
Part 3
​c) Complete the contingency table below.
 
Age
 
Online Banking
 
Yes
No
Total
Under 50
enter your response here
enter your response here
enter your response here
50 or Older
enter your response here
enter your response here
enter your response here
Total
enter your response here
enter your response here
enter your response here
 
 
​(Do not​ round.)
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