2.3 M: Probability

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 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97

Question 48

The events $A\,$ and $B\,$ are such that $P(A)=1120\displaystyle P(A) = \frac{11}{20}$ , $P(A∩B)=320\displaystyle P(A \cap B) = \frac{3}{20}$ , $P(A∣B)=38\displaystyle P(A|B) = \frac{3}{8}$ . Find

a.

$P (B)$

[3]

b.

$\cup B)$

[3]

c.

$P (B ∣ A^{'})$

[3]

2.3 M: Probability

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 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97

Question 48

The events $A\,$ and $B\,$ are such that $P(A)=1120\displaystyle P(A) = \frac{11}{20}$ , $P(A∩B)=320\displaystyle P(A \cap B) = \frac{3}{20}$ , $P(A∣B)=38\displaystyle P(A|B) = \frac{3}{8}$ . Find

a.

$P (B)$

[3]

b.

$\cup B)$

[3]

c.

$P (B ∣ A^{'})$

[3]

2.3 M: Probability

Question 48

2.3 M: Probability Questions

2.3 M: Probability

Question 48

2.3 M: Probability Questions