Spam filters in an email program are similar to hypothesis tests in that there a

Question

Spam filters in an email program are similar to hypothesis tests in that there are two possible decisions and two possible realities and therefore two kinds of errors that can be made. The hypotheses can be considered as:

H0: Incoming email message is legitimate.

Ha: Incoming email message is spam.

Suppose an incoming legitimate message is flagged by the spam filter and sent to the spam folder. What type of error did the spam filter make?

Select one:

a. No error was made

b. Type II error

c. Type I error

Explanation / Answer

This is type 1 error. Type 1 error is rejecting H0 when H0 is true. Here we reject H0 when null hypothesis is true

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