Let a Be the Set of All Strings of Decimal

question 1

Short Answer

Let A be the set of all strings of decimal digits of length 5. For example, 00312 and 19483 are two strings in A. You pick a string from A at random. What is the probability that (a) the string begins with 7575. (b) the string has no 4 in it.

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Definitions:

Straight-Line Method

A method of calculating depreciation by evenly allocating the cost of an asset over its useful life.

Effective Interest Method

A technique used in accounting to allocate the interest expense or income of a financial instrument over its lifespan in a way that results in a constant rate on the carrying amount.

Bonds Payable

Long-term liabilities representing a company's commitment to pay a specified amount of money at certain future dates for funds borrowed.

Interest Expense

The expense an entity faces for using borrowed capital, recorded as a non-operating cost on the income statement.