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Problem

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Textbook Expert
Textbook ExpertVerified Tutor
29 Oct 2021

Given information

As per the given question,
  • Suppose that a technology task force is being formed to study technology awareness among instructors.
  • Assume that ten people will be randomly chosen to be on the committee from a group of  volunteers,  who are technically proficient and eight who are not.
  • We are interested in the number on the committee who are not technically proficient.

 

To find:- Part (e). Find the probability that at least five on the committee are not technically proficient.

Step-by-step explanation

Step 1.

As per the given question,

The required probability as stated by the question can be expressed as  

                                                                                                       

By using the principle of HYPGEOM.DIST, we can calculate the required probability in excel sheet and we get the value of  

Now inserting this value in the equations stated above, the required probability is:-

                                                              or

                                                               

 

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Introductory Statistics
OER Edition, 2013
Openstax
ISBN: 9781938168208

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