Question

Out of 100 emails, 60 are spam and 48 of those contain the word buy. Of the remaining 40 emails that are not spam, only 4 emails contain the word buy. Given that an email is spam, what is the probability that it contains the word buy?

Answer 1

@KamiBug

Answer 2

What are your choices? :)

Answer 3

A.) 0.80

B.) 0.87

C.) 0.92

D.) 0.97

Answer 4

i think its C but im not sure.

Answer 5

48 / 60 = ?

Answer 6

0.8 & its right!! thanks (: <3