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You Have Three 1-bills Two 5-bllls , and a 20-bVert Vert In Your Pocket. If Without Replacing the First Bill You Pick Out, What Is the

Question

You have three 1-bills two 5-bllls , and a 20-bVert Vert In your pocket. If without replacing the first bill you pick out, what is the P 1 and 20 A (1)/(3) B (1)/(10) C (1)/(5) D (1)/(2)

Solution

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Answer

### C.

Explanation

## Step 1: Calculate the total number of bills.### You have three 1 \ bills, and one 20 3 + 2 + 1 = 6 \ bill first.### The probability of picking a 1 \ bills divided by the total number of bills: .## Step 3: Calculate the probability of picking a 20 \ bill, there are 5 bills remaining. The probability of picking a 20 \ bills divided by the remaining number of bills: .## Step 4: Calculate the probability of picking a 1 \ bill.### The probability of both events happening is the product of their individual probabilities: .