# math

suppose you have a wallet with \$5 bills, \$10 bills, and \$20 bills. if the probability of picking 10 dollar bill is 4/15, and the probability of picking 5 dollar bill is 1/3, what is the probability of picking a 20 dollar bill?
a. 1/15
b. 1/5
c. 4/15
d. 2/5***

1. 👍
2. 👎
3. 👁
1. 1-(4/15 + 1/3) = 6/15 = 2/5
good job

1. 👍
2. 👎

## Similar Questions

1. ### Statistics

John has six bills of paper money in the following denominations \$1, \$5, \$10, \$20, \$50, and \$100. If he selects 3 bills at a time what is the probability of selecting a group that has an average value of at least \$26?

2. ### Math algebra

A motel clerk counts his \$1 and \$10 bills at the end of a day. He finds that he has atotal of 56 bills having acombined monetary value of \$191. Find the number of bills of each denomination that he has

3. ### algebra

Mac's wallett is full of \$5 and \$10 bills. He has 25 bills totaling \$230. How many of each bill does he have?

4. ### Math

Neil has a total of twelve \$5 and \$10 bills in his wallet. He has 5 times as many \$10 bills as \$5 dollar bills. How many of each does he have?

1. ### math

Suppose you have a wallet with \$5 bills, \$10 bills, and \$20 bills. If the probability of picking a \$20 bill is 4/15, and the probability of piciing a \$5 bill is 1/3, what is the probability of picking a \$20 bill? a. 1/15 b. 1/5 c.

2. ### Math

Peter has 4 more \$50 bills than \$10 bills in his wallet. If the total amount of money in his wallet is \$380, how many \$10 bills does Peter have? I know the answer but I don't know how to set up the equation.

3. ### algerba 1

4. The total value of the \$1 bills and \$5 bills in a cash box is \$124. There are 8 more \$5 bills than \$1 bills. How many of each are there?

4. ### MATH

You have five \$1 bills, four \$5 bills six \$10 bills and three \$20 bills. You select a bills at random. Without replacing the bill, You choose a second bill. What is P(\$1, then \$10)?

1. ### statistics

The customer bills in a family restaurant are normally distributed. The bills mean is \$28 and has a standard deviation of \$6. a. Identify what the random variable you are measuring is in this problem. b. What is the probability

2. ### Algebra

You have three \$1 bills, four \$5 bills and two \$10 in your wallet. You select a bill at random. Without replacing the bill, you choose a second bill at random. Find P(5\$ then \$10)

3. ### math

A bank teller has some five-dollar bills and some twenty-dollar bills. The teller has 10 more of the twenties. The total value of the money is \$ 850. Find the number of five-dollar bills that the teller has.

4. ### government

the president used to have the line item veto power for which types of bills a. any bills b. bills passed by a congressional override of a veto c. spending and tax bills d. military bills d