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. Type II error

b. No error was made

c. Type I error

Explanation / Answer

Answer

It is clearly a type I error because the null hypothesis is correct, but it is rejected. This means there is rejection of true null hypothesis because the incoming legitimate message is flagged by the spam filter and send to the spam folder

so, answer is type I error or option C

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