2.4 Probability Formulae

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Question 13

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]

2.4 Probability Formulae

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29

Question 13

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]

2.4 Probability Formulae

Question 13

Markscheme

2.4 Probability Formulae

Question 13

Markscheme

2.4 Probability Formulae

Question 13

2.4 Probability Formulae Questions

2.4 Probability Formulae

Question 13

2.4 Probability Formulae Questions