Mathematics, 06.08.2021 23:50 dummynate
A group of people were asked whether they watch television or read newspaper to get daily news.
The table shows the probabilities of the results.
Television No television Total
Newspaper 0.3 0.1 0.4
No newspaper 0.45 0.15 0.6
Total 0.75 0.25
1.00
Let A represent reading newspaper and B represent watching television.
Which statement is true?
Watching television and and reading newspaper are independent events because P(A∣∣B)≠P(A) and P(B∣∣A)≠P(B) .
Watching television and reading newspaper are independent events because P(A∣∣B)=P(A) and P(B∣∣A)=P(B).
Watching television and reading newspaper are not independent events because P(A∣∣B)≠P(A)and P(B∣∣A)≠P(B).
Watching television and reading newspaper are not independent events because P(A∣∣B)=P(A) and P(B∣∣A)=P(B).
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