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Price per shirt: $5, $10, $15, $20, $25

Number of shirt sales: 50, 40, 30, 20, 10


What is the expected number of shirt sales?

Verified Answer :

I think you have to notice the pattern first. For every number of t-shirt sales, the cost is half of that. So, I think the expected number of t-shirt sales would be 60 for $30.

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