The Discrete Random Variable X Is the Number of Students

question 109

Multiple Choice

The discrete random variable X is the number of students that show up for Professor Smith's office hours on Monday afternoons.The table below shows the probability distribution for X.What is the probability that at least 1 student comes to office hours on any given Monday?

• A) .30
• B) .40
• C) .50
• D) .60

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Definitions:

Zero-Coupon Bonds

Bonds that do not pay interest during their life but are sold at a discount from their face value, where the difference between the purchase price and the face value represents the investor's return.

Interest Rates

The proportion of a loan that is charged as interest to the borrower, typically expressed as an annual percentage of the loan amount.

Interest Rate Risk

The risk of losses due to fluctuations in interest rates that can affect investment values and borrowing costs.

Time To Maturity

The duration until a financial instrument, such as a bond or loan, reaches its due date and the principal must be repaid.