### Solution Found!

# A die is continually rolled until the total sum ofall

**Chapter 8, Problem 8.6**

(choose chapter or problem)

**QUESTION:**

A die is continually rolled until the total sum of all rolls exceeds 300. Approximate the probability that at least 80 rolls are necessary.

### Questions & Answers

**QUESTION:**

A die is continually rolled until the total sum of all rolls exceeds 300. Approximate the probability that at least 80 rolls are necessary.

**ANSWER:**

Problem 8.6

A die is continually rolled until the total sum of all rolls exceeds 300. Approximate the probability that at least 80 rolls are necessary.

Step by Step Solution

Step 1 of 2

Let, be the result of roll i.

We know that,

‘s are independent

If at least 80 rolls are necessary, then the total of the first 79 rolls is at most 300.