The Random Variable X Represents the Number of Siblings of a Student

question 149

Multiple Choice

The random variable X represents the number of siblings of a student selected randomly from a particular college. Use random variable notation to express the following statement in shorthand. The probability that the student has two siblings is $0.18$ .

• A)\(\mathrm { P } ( \mathrm { X } = 2 ) = 0.18\)
• B) \(P ( X ) = 0.18\)
• C) \(\mathrm { P } ( 2 ) = 0.18\)
• D) \(( X = 2 ) =\)

---

Definitions:

Closing Entries

Journal entries made at the end of an accounting period to transfer the balances of temporary accounts to permanent accounts, thereby preparing the books for the next period.

Owner's Drawings

The amount of money taken from the business by the owner for personal use, not considered a business expense.

Sales Revenue

A company's total income from product sales or service charges prior to the deduction of any operational expenses.

Gross Profit Rate

A profitability ratio that compares gross profit to net sales, reflecting the efficiency of a company in managing its production and labor costs.