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25 Oct 2021

Given information

Let  be the event that there are at least two tails. Find .

Step-by-step explanation

Step 1.

The probability of an event  is defined as:

 

The experiment is given as tossing a nickel, dime, and a quarter. Of interest is the side the coin lands on

The sample space consists of all the possible outcomes:

 

.

Let  be the event that there are at least two tails, then

,

.

   

   

 

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Introductory Statistics
OER Edition, 2013
Openstax
ISBN: 9781938168208

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