Exhibit 5-8 the Random Variable X Is the Number of Occurrences of Occurrences

question 80

Multiple Choice

Exhibit 5-8
The random variable x is the number of occurrences of an event over an interval of ten minutes. It can be assumed that the probability of an occurrence is the same in any two-time periods of an equal length. It is known that the mean number of occurrences in ten minutes is 5.3.
-Refer to Exhibit 5-8. The expected value of the random variable x is

• A)2
• B)5.3
• C)10
• D)2.30

---

Definitions:

Passing Score

The minimum score required on a test or examination to be considered as having passed or achieved the required standard.

Increase Decimal

A function in spreadsheet software that allows the user to display more decimals for numerical entries, providing greater precision.

Background Color

The color filling the back area of a document, webpage, or application interface, behind all text, images, or objects.

Conditional Formatting

A feature in data visualization and spreadsheet software that changes the appearance of cells based on certain conditions, making it easier to visually assess data.