Question
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
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. 21.3% of skin cancers appear on the head
B. The proportion of skin cancers that are not melanomas and appear on the trunk is 0.103
C. If non-melanomic skin cancers are considered, the probability that they do not appear on the extremities is 0.551
D. The type and site of skin cancers are independent
E. Of skin cancers which appear on the trunk, 48.4% are not melanomas
Question 2. A group of participants was surveyed and the information collected shown in the partially completed contingency table below regarding gender and attitudes on abortion. Firstly, calculate the missing values.
Support Oppose Undecided Total
Female 314 242 68 U
Male V W 102 936
Total 785 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 proportion of participants who were female and supported abortion was 50.3%.
b. The probability a participant was male or was undecided about the issue of abortion was 64.4%.
c. Gender and attitudes towards abortion are independent.
d. Given a participant supported abortion, the probability of being male was 50.3%.
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