(a) True negative

(b) True Positive

(c) False negative

(d) False positive

Suppose a user has an email account. This user receives two types of emails: those that are spam, and those that are not spam. A software engineer develops a statistical learning algorithm to classify all incoming emails. Emails that the algorithm determines are spam are flagged and placed in the junk folder; the remaining emails that the algorithm determines are not spam are placed in the inbox. Use this information to answer Question 3a-3d. Suppose an email is in the junk folder but it is actually not spam, then this is a