A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN: 9780134753119
Author: Sheldon Ross
Publisher: PEARSON
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The PTO is selling raffle tickets to raise money for
classroom supplies. A raffle ticket costs $3. There
is 1 winning ticket out of the 130 tickets sold. The
winner gets a prize worth $68. Round your answers
to the nearest cent.
What is the expected value (to you) of one raffle
ticket? $ -2.4769 o
Calculate the expected value (to you) if you
purchase 10 raffle tickets. $ 24.7692 ×
What is the expected value (to the PTO) of one
raffle ticket? $ 2.4769
If the PTO sells all 130 raffle tickets, how much
money can they expect to raise for the classroom
supplies? $
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Transcribed Image Text:The PTO is selling raffle tickets to raise money for classroom supplies. A raffle ticket costs $3. There is 1 winning ticket out of the 130 tickets sold. The winner gets a prize worth $68. Round your answers to the nearest cent. What is the expected value (to you) of one raffle ticket? $ -2.4769 o Calculate the expected value (to you) if you purchase 10 raffle tickets. $ 24.7692 × What is the expected value (to the PTO) of one raffle ticket? $ 2.4769 If the PTO sells all 130 raffle tickets, how much money can they expect to raise for the classroom supplies? $
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