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Gala2k [10]
3 years ago
15

The probability a randomly selected household owns corporate stock is 0.54. The probability a randomly selected household has no

Internet access is 0.3. Assume whether a randomly selected household owns corporate stock is independent of whether the household has no Internet access. What is the probability a randomly selected household has no Internet access given the household owns corporate stock
Mathematics
1 answer:
34kurt3 years ago
8 0

Answer:

30% probability a randomly selected household has no Internet access given the household owns corporate stock

Step-by-step explanation:

I am going to say that we have two events.

Event A: Owning corporate stock. So P(A) = 0.54.

Event B: Having no internet access. So P(B) = 0.3.

Since they are independent events, we can apply the conditional probability formula, which is:

P(B|A) = \frac{P(A \cap B)}{P(A)}

In which

P(B|A) is the probabilitty of event B happening given that A happened. We want to find this.

P(A \cap B) is the probability of both events happening.

Since they are independent

P(A \cap B) = P(A)P(B) = 0.54*0.3

So

P(B|A) = \frac{P(A \cap B)}{P(A)} = \frac{0.54*0.3}{0.54} = 0.3

30% probability a randomly selected household has no Internet access given the household owns corporate stock

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