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GB 513 Unit 2 Assignment Probability
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Question 1
An Adweek Media/Harris Poll revealed that 44% of U.S.
adults in the 18–34 years category think that “Made in
America” ads boost sales. A different Harris Interactive poll
showed that 78% of U.S. adults in the 18–34 years category
use social media online. Suppose that 85% of U.S. adults in
the 18–34 years category think that “Made in America” ads
boost sales or use social media online.
If a U.S. adult in the 18–34 years category is randomly
selected
a.
Whatistheprobabilitythatthepersonthinksthat“MadeinAmeric
a”adsboostsalesanduses social media online?
b. What is the probability that the person thinks that “Made
in America” ads boost sales given that the person does not
use social media online?
Question 2
According to a report by Scarborough Research, the average
monthly household cellular phone bill is $73. Suppose local