Ages of voters
FrequencyFrequency
18 to 20 6.8
21 to 24 8.2
25 to 34 24.3
35 to 44 23.2
45 to 64 51.7
65 and over 29.1
2)Determine whether the following statement is true or false. If it is? false, rewrite it as a true statement.
If two events are? independent, ?P(A|B)=?P(B).
A. False; if events A and B are? independent, then ?P(B|A)=?P(A).
B.False; if events A and B are? independent, then? P(A and ?B)=?P(A)•?P(B).
C.?False; if events A and B are? independent, then? P(A and ?B)=0.
D.True
3)The table below shows the number of male and female students enrolled in nursing at a particular university for a recent semester.
?(a) Find the probability that a randomly selected student is? male, given that the student is a nursing major.
?(b) Find the probability that a randomly selected student is a nursing? major, given that the student is male.
Nursing Majors Non nursing majors total
Males 95 1120 1215
Females 732 1646 2378
Total 827 2766 3593
Find the probality is _
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