Write an If Clause That Determines Whether the Sequential Access

question 51

Essay

Write an If clause that determines whether the sequential access file named contacts.txt exists.If the file exists,open the file.If the file does not exist,display the message "File not found" in a message box.The application is named "View Contacts".

---

Definitions:

Confidence Interval

An assortment of values generated from sample data, considered to potentially contain the value of a non-disclosed population characteristic.

Summary Data

Concise statistical representations of a larger dataset, including measures like mean, median, and standard deviation.

Confidence Interval

A range of values, derived from the sample statistics, that is likely to contain the value of an unknown population parameter.

Confidence Interval

A scope of values, extracted from sample observations, which is anticipated to hold the value of a hidden population parameter.