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In: Statistics and Probability

The one-time fling! Have you ever purchased an article of clothing (dress, sports jacket, etc.), worn...

The one-time fling! Have you ever purchased an article of clothing (dress, sports jacket, etc.), worn the item once to a party, and then returned the purchase? This is called a one-time fling. About 5% of all adults deliberately do a one-time fling and feel no guilt about it! In a group of six adult friends, what is the probability of the following? (Round your answers to three decimal places.)

(a) no one has done a one-time fling


(b) at least one person has done a one-time fling


(c) no more than two people have done a one-time fling

The college student senate is sponsoring a spring break Caribbean cruise raffle. The proceeds are to be donated to the Samaritan Center for the Homeless. A local travel agency donated the cruise, valued at $2000. The students sold 2714 raffle tickets at $5 per ticket.

(a) Kevin bought fourteen tickets. What is the probability that Kevin will win the spring break cruise to the Caribbean? (Round your answer to five decimal places.)


What is the probability that Kevin will not win the cruise? (Round your answer to five decimal places.)


(b) Expected earnings can be found by multiplying the value of the cruise by the probability that Kevin will win. What are Kevin's expected earnings? (Round your answer to two decimal places.)
$

Is this more or less than the amount Kevin paid for the fourteen tickets?
more or less?

How much did Kevin effectively contribute to the Samaritan Center for the Homeless? (Round your answer to two decimal places.)
$

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