Tickets for a raffle cost $6. There were 743 tickets sold. One ticket will be randomly selected as the winner, and that person wins
$1100 and also the person is given back the cost of the ticket. For someone who buys a ticket, what is the Expected Value (the mean of the distribution)?

If the Expected Value is negative, be sure to include the "-" sign with the answer. Express the answer rounded to two decimal places.

Tickets for a raffle cost $14. There were 834 tickets sold. One ticket will be randomly selected as the winner, and that person wins $1200 and also the person is given back the cost of the ticket. For someone who buys a ticket, what is the Expected Value (the mean of the distribution)?

Random "winning" value::1214 -14

Probabilities1/834 833/834

Expected Value = (1*1214 -14*833)/834 = -$12.53

Step-by-step explanation:

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d) 30 units^2

area of rectangle = l × b

we know,

length = 10 unit

breadth = 3 unit

applying the formula,

= l × b

= 10 × 3

= 30 unit^2

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