(5 points) Choose a topic that has at least ten items that can be divided into three subsets, with some of the items belonging in multiple sets. List the ten elements. (3 points) List each subset using roster notation. Label the subsets A, B, and C.
(3 points) List the cardinality of A, B, and C.
(8 points) Draw a Venn diagram of the three sets.
(3 points each) Using the Venn diagram, list the elements of each using roster notation.
BC
A intersection B
A union B union C
left parenthesis A union B right parenthesis to the power of C

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Aresearch study is studying the effects of a new drug for osteoporosis alzheimer's disease (ad) for women above the age of 65 years. a group of individuals with osteoporosis is randomized into two groups. one group is treated conventionally, and the second group is treated with the new medication. assessments are made at 3, 6, 12, 36, and 48 months. the conventionally treated group is assessed for ad using a serum blood test, and the treatment group is assessed for ad using a pet radiotracer that binds to beta-amyloid plaques. in comparing these 2 trial arms, the authors of the study may encounter which type of bias? a. selection bias on the risk of developing b. measurement bias c. confounding bias d. recall bias e. lead-time bias