QUESTION9 Stu According to a recent market research study, 60% of all US househo

Question

QUESTION9 Stu According to a recent market research study, 60% of all US households have cable TV, 40% own at least two televisions and 20% have cable TV and own two at least two televisions. What is the probability that a US household has: has cable TV only? 0.651 0.190 n0.4 0.245 QUESTION 10 to a recent market research study, 60% of all US households have cable TV, 40% own at least two televisions and 20% have cable TV and own two at least two televisions. What is the probability that a US household has: has at least two televisions only? 0.5 0 02 0.445 0.4 QUESTION 11 to a recent market research study, 60% of all US households have cable TV, 40% own at least two televisions and 20% have cable TV and own two at least two televisions. What is the probability that a US household has: Are the events "having cable TV" and "owing at least two televisions" independent?

Explanation / Answer

P(Of having Cable TV) = 0.6

P(having at least 2 Tv's) = 0.4

P(Having Cable TV and at least 2 TV's)

9) Having Cable TV - 0.2 = 0.4

10) Having At least 2 TV's - 0.2 = 0.2

11) No, they are not independent [Since P (A and B) = 0.2 is not equal to P(A) * P(B)]

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