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Problem

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Textbook ExpertVerified Tutor
30 Oct 2021

Given information

As per the given question,

  • Suppose that the probability that an adult in America will watch the Super Bowl is %.
  • Each person is considered independent.
  • We are interested in the number of adults in America we must survey until we find one who will watch the Super Bowl.

 

To find:- Part(f). Find the probability that you must ask three or four people.

 

Step-by-step explanation

Step 1.

As per the given question,

  • For calculating the required probability, lets consider the following equation:- 

                         

  • By using Ti- plus calculator at , we get the value of .
  • By using Ti- plus calculator at , we get the value of .
  • Hence, replacing the found values in the given equation:-

                                  or

                                   

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Introductory Statistics
OER Edition, 2013
Openstax
ISBN: 9781938168208

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