The college hiking club is having a fund raiser to buy new equipment for fall and winter outings. The club is selling Chinese fortune cookies at a price of $3 per cookie. Each cookie contains a piece of paper with a different number written on it. A random drawing will determine which number is the winner of a dinner for two at a local Chinese restaurant. The dinner is valued at $31. Since fortune cookies are donated to the club, we can ignore the cost of the cookies. The club sold 723 cookies before the drawing. Lisa bought 25 cookies. Lisa's expected earnings can be found by multiplying the value of the dinner by the probability that she will win. How much did she effectively contribute to the hiking club?
A) $21.89
B) $70.73
C) $73.93
D) $23.76
E) $23.93
Correct Answer:
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