Solutions to Unit 1 - The Burns Home Page

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Unit 4.3 Solutions1. a) {6, 9}b) {5, 2, 6, 9, 12, 10}c) {9,10}d) {4, 2, 9, 10, 6, 1}e) f) {9}2a) P A B P A PB P AB0.7 0.5 0.2 PAB0.7 0.7 PABPAB0SinceP AB=0, mutually exclusive.2b) P A B P A PB P AB 0.7 0.2 0.15 0.75SinceP AB=0.15, not mutually exclusive2c) P A B P A PB P AB0.9 0.3 PB 00.9 0.3PBPB 0.6SinceP AB=0, mutually exclusive3a) remember P A and B P ABSince mutually exclusive P AB 03b) P A B P A PB P AB 0.2 0.30 0.5
3c Since all probabilities must add up to 1, and A and B are mutually exclusive1=P(A)+P(B)+P(C)1=0.2+0.3+P©P(C)=0.55. Let A represent the event that it is a femaleLet B represent the event that it is a tetrafemale or tetra P A PB P ABnAnBnA B nS nS nSP P A B26 36 14 56 56 564856676. a)SCFT10 73b) PCnCn S102012
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Page 11 and 12: Therefore HA 30 1614C 24 16 8b i) 1
Page 13 and 14: Unit 4.4 Solutions1a) Let A represe
Page 15 and 16: The probability of the event that a
Page 17 and 18: 9b) Let A represent the event that
Page 19 and 20: 9f) Let A represent the event that
Page 21 and 22: 19b) Let A represent the event that
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Page 25 and 26: 6a) Let A represent the event of dr
Page 27 and 28: 8c) Let A represent the event of be
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Solutions to Unit 1 - The Burns Home Page

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