Construct Probability Histograms
-A Manager Asked Her Employees How Many $x$

question 60

Multiple Choice

Construct Probability Histograms
-A manager asked her employees how many times they had given blood in the last year. The results of the survey are given below. The random variable $x$ represents the number of times a person gave blood and $\mathrm { P } ( \mathrm { x } )$ represents the probability of selecting an employee who had given blood that percent of the time. What is the mean number of times a person gave blood based on this survey?
$\begin{array}{|c|c|c|c|c|c|c|c|}\hline x & 0 & 1 & 2 & 3 & 4 & 5 & 6 \\\hline P(x) & 0.30 & 0.25 & 0.20 & 0.12 & 0.07 & 0.04 & 0.02 \\\hline\end{array}$

• A) \(1.6\)
• B) \(3.0\)
• C) \(2.0\)
• D) \(0.14\)

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Definitions:

Bonds Payable

This is a long-term liability account on a company's balance sheet, representing bonds that the company is obligated to repay at their maturity dates along with interest.

Callable Bonds

These are obligations the issuer may pay off before they come due, at an agreed upon price.

Retirement

The act of leaving one's job and ceasing to work, typically upon reaching a certain age or due to personal choice, often accompanied by receiving a pension or retirement savings.

Maturity

The point in time when a financial instrument, such as a bond or loan, reaches its due date and the principal must be repaid.