At a raffle, 1000 tickets are being sold for $10 each. there is one prize of $500, two prizes of $250, three prizes of $150, and four prizes of $75. if you buy one ticket, what is the expected value of your gain?

expected value is $175

Explanation:

given data

tickets = 1000

sold = $10 each

one prize = $500

two prizes = $250

three prizes = $150

four prizes = $75

solution

we get here expected value that is

E(x) = ∑x P(x)   ....................1

and here total prize is 1+2+3+4 = 10

so here P(x) for x will be as

x            P(x)

$500      

$250      

$150      

$75        

so here E(x) will be

E(x) = $500 × + $250 × + $150 × + $75 ×

solve it we get

E(x) = $175

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disadvantages of purchasing a vehicle: large down payment and vehicle depreciation

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answer(b) revenue account which increases;