Question
Susan printed 50 pictures of her family from a digital album called “Susan’s Family” on her social media account. Of these 50 pictures, 18 show both her children and grandchildren, 8 show only her children, and 24 show only her grandchildren.
Susan is in 1/2 of the pictures that show only her children and 1/4 of the pictures that show only her grandchildren.
Based on this information, which statement is NOT true?
Responses
A The probability of randomly selecting a picture that does NOT show Susan is 80%.
B The probability of randomly selecting a picture that shows Susan’s grandchildren is 3 times the probability of randomly selecting a picture that shows Susan’s children.
C The probability of randomly selecting a picture that shows Susan’s grandchildren is 84%.
D The probability of randomly selecting a picture that shows both Susan’s children and grandchildren is more than twice the probability of randomly selecting a picture that shows only Susan’s children.