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?

a.)0.80 b.) 0.87 c.) 0.92 d.) 0.97

It is defined as the ratio of the number of favorable outcomes to the total number of outcomes, in other words, the probability is the number that shows the happening of the event.

We have:

Out of 100 emails, 60 are spam and 48 of those contain the word buy.

60 emails are spam

48 buys word

Probability = 48/60 = 0.8

Thus, the probability that it contains the word buy is 0.8 option (a) 0.80 is correct.

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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? a.)0.80 b.) 0.87 c.) 0.92 d.) 0.97

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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?

a.)0.80 b.) 0.87 c.) 0.92 d.) 0.97