Kissam Intermediate School UIL Math team is the best in Smith County. 12 boys and 13 girls tried out for the UIL Calculator Team
2 answers:
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As 300 tickets are sold , the probability of being a winner is =
The prize value is $64 or
= 0.213
The cost of ticket you paid = $4
Hence, the expected value of one ticket = 0.213-4 = -3.787 or rounding off we get -3.79