Assume That the Customer File References a File Object, and the File

question 15

Multiple Choice

Assume that the customer file references a file object, and the file was opened using the 'w' mode specifier. How would you write the string 'Mary Smith' to the file?

• A) customer_file.write('Mary Smith')
• B) customer.write('w','Mary Smith')
• C) customer.input('Mary Smith')
• D) customer.write('Mary Smith')

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Definitions:

Rejecting

The act of not accepting or dismissing a statistical hypothesis based on the analysis of data.

Level of Significance

The threshold probability used in hypothesis testing to determine whether to reject the null hypothesis.

Probability

A measure of the likelihood of occurrence of an event, expressed as a number between 0 and 1, where 0 indicates impossibility and 1 indicates certainty.

Z Statistic

A statistic that tells us how many standard deviations an element is from the mean. It is used in hypothesis testing.