Purchase Solution

# Probability

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In her wallet, Susan has 12 bills. 6 are \$1 bills, 2 are \$5 bills, 3 are \$10 bills, and 1 is a \$20 bill. She passes a volunteer seeking donations for the American Red Cross and decides to select 1 bill at random. Determine:
a. probability she selects \$ 5 bill (my ans: 1/5)
b. probability she does not select a \$5 bill (my ans: 5/6)
c. the odds in favor of her selecting the \$5 bill (my ans: 1:5)
d. the odds against her selecting the \$5 bill (my ans: 5:1)
e. the odds in favor of her selecting a \$10 bill
f. the odds against her selecting a \$20 bill

##### Solution Summary

The probabilities of selecting bills from a bag are calculated.

##### Solution Preview

a. Ans:1/6. since there are 2 \$5 bills. The probability of selecting one of the two \$5 is 1/12. The ...

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