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Problem

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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(d). How many adults in America do you expect to survey until you find one who will watch the Super Bowl?

Step-by-step explanation

Step 1.

As per the given question, 

  • Survey of adult Americans are to be continued until one is found who says that he/she would watch Super Bowl.
  • Hence, average number of adults in America who are to be surveyed until one is found, can be expressed as:-

                                                                                          ,  or

                                                                                          , or

                                                                                           

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Introductory Statistics
OER Edition, 2013
Openstax
ISBN: 9781938168208

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