Case 1 - Frames Unlimited

question 41

Multiple Choice

Case 1 - Frames Unlimited
Frames Unlimited is a wholesale picture and poster frame business. Frame data is stored in sequential access files that contain four columns: item number, item name, size, and price.
-An application uses the posterFrame.txt sequential access file to display all of the poster frames in a list box.You need to use the list box to select and remove any poster frames that are 16x20.Which of the following statements determines if a line is selected in the list box?

• A)if lstPosters.SelectedIndex <> -1 Then
• B)if lstPosters.Selected <> -1 Then
• C)if lstPosters.SelectedIndex = -1 Then
• D)if lstPosters.Selected = -1 Then

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Definitions:

Brake Lines

Components in a vehicle's braking system that carry brake fluid from the master cylinder to the brakes.

Binomial Distribution

A probability distribution that encapsulates the chances of a variable adopting one of two distinct values across a specific number of observations.

Continuous Random Variables

Random variables that can assume an infinite number of outcomes in a continuous range.

Continuous Random Variable

A variable that can assume an infinite number of values within a specific range and is used in probability and statistics.