2. A video streaming company uses its users\' historical streaming records to pr
ID: 3364336 • Letter: 2
Question
2. A video streaming company uses its users' historical streaming records to predict whether the user will watch its newly released music video. Below are five historical records. Each row lists whether a user watches the relevant videos in other categories, and whether that user finally watches the target music video (T: True; F: False): User ID Romance Thriller Comedy Music News Politics TV Series |Target feature 10 Using this dataset, calculate the following probabilities (a) P(Romance-T) (b) P(Comedy-F, Music-F) (c) P(Romance-T | Politics- T) (d) P(Target Featurel News - T, Politics -F)Explanation / Answer
From the given data
a) P(Romance =T ) = 5/45 = 0.1111
b) P(Comedy=F,Music=F) = 3/45 = 0.06667
c) P(Romance=T/Politics = T) = P(Romanace = T and Politics = T) / P(Politics = T) = 3/45 / 6/45 = 3/6 =0.5
d) P(Target Feature and New= T and Politics = F / News = T , Politics = F)
= P(Target Feature and New= T and Politics = F / News = T , Politics = F) / P(News=T and Politics = F)
=1
S.NO. Romanace Thriller Comedy Music News Politics TV Series Target feature Total 1 1 0 0 0 1 0 0 1 3 2 0 1 1 0 1 1 0 1 5 3 1 1 1 1 1 1 0 1 7 4 0 0 1 0 0 0 1 0 2 5 0 1 0 1 0 1 1 1 5 6 1 0 1 0 1 0 0 1 4 7 0 1 0 0 1 1 1 0 4 8 1 1 0 0 1 1 0 1 5 9 0 1 1 0 1 0 1 0 4 10 1 1 0 1 0 1 1 1 6 Total: 5 7 5 3 7 6 5 7 45Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.