A Thumb Tack Is Tossed Until It fiRst Lands with Its

question 20

Essay

A thumb tack is tossed until it first lands with its point down, at which time no more tosses are made. On each toss, the probability of the tack's landing point down is $1 / 3$
(a) What is the probability that exactly five tosses are made?
(b) What is the expected number of tosses?

---

Definitions:

Goodwill

An intangible asset that arises when a business is acquired for more than the fair value of its identifiable net assets, representing future economic benefits from assets not separately identified.

Reversed

In accounting, this refers to the action of undoing or negating a journal entry that was previously made, often because it was an error.

Change In Estimate

An adjustment made to the accounting records to reflect new information or subsequent changes in judgments regarding financial statement estimates.

Depreciation Expense

The systematic allocation of the depreciable amount of an asset over its useful life, reflecting the asset's consumption, wear and tear, or obsolescence.