A group of participants was surveyed and the information
collected shown in the partially completed contingency table below
regarding gender and the attitudes on abortion. Firstly, calculate
the missing values.
Support
Oppose
Undecided
Total
Female
389
216
67
U
Male
V
W
83
690
Total
684
X
Y
Z
Now, using the completed contingency table, select the
statements from the following list that
are true. Note: a statement is
true only if the value you calculated from the completed
contingency table, when rounded to the same number of decimal
places as in the statement, is the same as the value in the
statement.
a.
The probability a participant opposed abortion was 38.8%.
b.
The probability a participant was female and supported abortion
was 24.8%.
c.
The probability a participant was male or was undecided about
the issue of abortion was 61.7%.
d.
Gender and attitudes towards abortion are independent.
e.
The probability of male participants who were not undecided was
0.88.
f.
Of those surveyed who supported abortion, 43% were male.