SOLUTION: 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 p
Algebra.Com
Question 730237: 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. What is the probability that the person thinks that “Made in America” ads boost sales and uses 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 monthly household cell phone bills are normally distributed with a standard deviation of $11.35.
a. What is the probability that a randomly selected monthly cell phone bill is more than $100?
b. What is the probability that a randomly selected monthly cell phone bill is between $60 and $83?
c. What is the probability that a randomly selected monthly cell phone bill is between $80 and $90?
d. What is the probability that a randomly selected monthly cell phone bill is no more than $55?
Question 3
A Travel Weekly International Air Transport Association survey asked business travelers about the
purpose for their most recent business trip. 19% responded that it was for an internal company visit.
Suppose 950 business travelers are randomly selected.
a. What is the probability that more than 25% of the business travelers say that the reason for their most recent business trip was an internal company visit?
b. What is the probability that between 15% and 20% of the business travelers say that the reason for their most recent business trip was an internal company visit? Unit 2 [GB513: Business Analytics]
c. What is the probability that between 133 and 171 of the business travelers say that the reason for their most recent business trip was an internal company visit?
Answer by lynnlo(4176) (Show Source): You can put this solution on YOUR website!
TOO MANY QUESTIONS AT ONE TIME,SORRY
RELATED QUESTIONS
An Adweek Media/Harris Poll revealed that 44% of US adults in the 18-34 years category... (answered by stanbon)
a harris poll found that 35% of people said that they drink a caffeinated beverage to... (answered by Theo)
A recent poll of 1500 U.S. adults of voting age found that 930 of them voted in a recent... (answered by Boreal)
A medical researcher says that less than 25% of U.S. adults are smokers. In a random... (answered by math_tutor2020)
1. In a Gallup poll of 557 randomly selected adults, 284 said that they were underpaid.... (answered by stanbon)
​% 51 of U.S. adults have very little confidence in newspapers. You randomly select 10... (answered by Boreal)
​69% of U.S. adults have very little confidence in newspapers. You randomly select 10... (answered by ikleyn)
42% of U.S. adults have very little confidence in newspapers. You randomly select 10 U.S. (answered by MathLover1)
In a 2019 poll of adults 18 years and older, (BBMG Conscious Consumer Report)
about half (answered by ikleyn)