2.3.3 Conditional probability (A-level only)

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Question 18

In a survey about hobbies, the events $D\,$ and $E\,$ are defined as: $D\,$ is the event that a person enjoys dancing, and $E\,$ is the event that a person enjoys exercising. Given that $P (D) = 0.6$ , $P (E) = 0.7$ , and $\cap E) = 0.4$ , find:

a.

$\cup E)$

[2]

b.

$P (D ∣ E)$

[3]

c.

$P (D^{'} ∣ E^{'})$

[3]

2.3.3 Conditional probability (A-level only)

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Question 18

In a survey about hobbies, the events $D\,$ and $E\,$ are defined as: $D\,$ is the event that a person enjoys dancing, and $E\,$ is the event that a person enjoys exercising. Given that $P (D) = 0.6$ , $P (E) = 0.7$ , and $\cap E) = 0.4$ , find:

a.

$\cup E)$

[2]

b.

$P (D ∣ E)$

[3]

c.

$P (D^{'} ∣ E^{'})$

[3]

2.3.3 Conditional probability (A-level only)

Question 18

2.3.3 Conditional probability (A-level only) Questions

2.3.3 Conditional probability (A-level only)

Question 18

2.3.3 Conditional probability (A-level only) Questions