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Problem

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Textbook Expert
Textbook ExpertVerified Tutor
29 Nov 2021

Given information

You buy a lottery ticket costing $.

Total tickets were sold.

Prizes are:

,

 

and  

 

 

 

Step-by-step explanation

Step 1.

Let X is a random variable which defines the expected profit.

If you buy a ticket there are few options that you can get 490 as expected profit because you won 500 and you paid 10, So, the difference is 490. Similarly there are other probable profits are 90 and 15 and if you do not won any prize that means you lose 10.

Formula used for expected profit and loss:

 

 

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Introductory Statistics
OER Edition, 2013
Openstax
ISBN: 9781938168208

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