a)
P(A1 n A2)=P(A1)+P(A2)-P(A1 u A2)=0.45+0.65-0.80=0.3
b)P(A2|A3)=P(A2 n A3)/P(A3)=0.4/0.7=0.5714
if a person likes vehicle #3 ; this is the probability that he or she will also like vehicle #2
c)
No P(A2|A3) P(A2) therefore A2 and A3 are not independent
No P(A2 n A3) P(A2)*P(A3) therefore A2 and A3 are not independent
d)
P(A2 u A3|A1c)=(0.84-0.45)/(1-0.45)=0.7091
Consider randomly selecting a single individual and ha ving that person test drive 3 different v...
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1 pts Question 1 Question 1: Death Penalty. Exercise 14-4. The chi-square for Table 14-3 on page 138 (see Exercise 14-4 /'a 'in your Exercise Book on page 138) is Table 14-3.PNG [Exercise 14-4 on page 138 is here: exercise 14-4.PNG Exercise 14-4. A speaker at a lecture declares that no statistical evidence whatsoever demonstrates that the death penalty discriminates against minorities. When pressed on the point, she shows a slide that looks like table 14-3.9 The subjects were 326...
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