Need help ONLY with part d of this Intro to probability and statistics homework problem. Below is the work and answers for parts a to c. Given From table n(Total)=1456, n(S1,A1)=392,n(S2,A1)=649, n(S1,A2)=241, n(S2,A2)=174 , n(A1)=1041, n(A2)=415, n(S1)=633, n(S2)=823 n(Total)=1456, n(S1,A1)=392,n(S2,A1)=649, n(S1,A2)=241, n(S2,A2)=174 , n(A1)=1041, n(A2)=415, n(S1)=633, n(S2)=823. (a) P(A1)=n(A1)/n(Total)=1041/1456=0.7150 (b) P(A1|S1)=n(A1,S1)/n(S1)=392/633=0.6193 (c) P(A1|S2)=n(A1,S2)/n(S2) =649/823=0.7886

Need help ONLY with part d of this Intro to probability and statistics homework problem. Below is the work and answers for parts a to c. Given From table n(Total)=1456, n(S1,A1)=392,n(S2,A1)=649, n(S1,A2)=241, n(S2,A2)=174 , n(A1)=1041, n(A2)=415, n(S1)=633, n(S2)=823 n(Total)=1456, n(S1,A1)=392,n(S2,A1)=649, n(S1,A2)=241, n(S2,A2)=174 , n(A1)=1041, n(A2)=415, n(S1)=633, n(S2)=823. (a) P(A1)=n(A1)/n(Total)=1041/1456=0.7150 (b) P(A1|S1)=n(A1,S1)/n(S1)=392/633=0.6193 (c) P(A1|S2)=n(A1,S2)/n(S2) =649/823=0.7886

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Question

Need help ONLY with part d of this Intro to probability and statistics homework problem. Below is the work and answers for parts a to c.

Given

From table

n(Total)=1456, n(S1,A1)=392,n(S2,A1)=649, n(S1,A2)=241, n(S2,A2)=174 , n(A1)=1041, n(A2)=415, n(S1)=633, n(S2)=823

n(Total)=1456, n(S1,A1)=392,n(S2,A1)=649, n(S1,A2)=241, n(S2,A2)=174 , n(A1)=1041, n(A2)=415, n(S1)=633, n(S2)=823.

(a)

P(A₁)=n(A1)/n(Total)=1041/1456=0.7150

(b)

P(A₁|S₁)=n(A₁,S₁)/n(S₁)=392/633=0.6193

(c)

P(A₁|S₂)=n(A₁,S₂)/n(S₂)

=649/823=0.7886

1.3-2. The following table classifies 1456 people by their
gender and by whether or not they favor a gun law.
Male (S₁)
Favor (A₁)
Oppose (A₂)
Totals
392
241
633
Female (S₂)
649
174
823
Totals
1041
415
1456
Compute the following probabilities if one of these 1456
persons is selected randomly: (a) P(A₁), (b) P(A₁ S₁),
and (c) P(A₂|S₂). (d) Interpret your answers to parts (b)
and (c).

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