Question

Samone's bill at a clothing store was $105.25. She found $105 in her wallet, but all of her change fell to the bottom of her purse. She has 12 pennies, 3 dimes, 7 nickles, and 4 quarters. She reaches into her purse and pulls out three coins.

a. What is the probability that at least one of the three coins is a quarter?

b. What is the probability that at least one of the three coins is a quarter?

c. What is the probability of failure?

answers
15.38%
13.38%
2/13
1/26
11/13

Answer 1

plz help me

Answer 2

plz help somebody this is my last day of catching up

Answer 3

anybody?

Answer 4

a. What is the probability that at least one of the three coins is a quarter?
b. What is the probability that at least one of the three coins is a quarter?

Answer 5

b is What is the probability of success for this problem?

Answer 6

didnt mean to put the same thing twice

Answer 7

satellite73 plz help

Answer 8

"at least one is a quarter" is best done by finding the probability that none is a quarter, and subtraction that from 1

Answer 9

pull a coin out
what is the probability it is NOT a quarter?

Answer 10

?

Answer 11

im sorry but i just started this and its kind of hard

Answer 12

i guess we need to go slow
how many coins are there total?

Answer 13

26

Answer 14

k good
how many are quarters?

Answer 15

3

Answer 16

how many are NOT quarters?

Answer 17

oops 4 quarters

Answer 18

whew

Answer 19

4 are quarters
how many are not quarters?

Answer 20

22

Answer 21

ok so let me ask the first question again
pick a coin
what is the probability it is NOT a quarter?

Answer 22

3/26

Answer 23

first answer was right

Answer 24

oh 22/26

Answer 25

22 not quarters divided by the 26 coins

Answer 26

now put that one aside
how many coins are there now total?

Answer 27

22

Answer 28

i got 11/13 when evaluted

Answer 29

u there