In 1945 1 000 Women Worked In A Factory Painting Radium Dials On Watches The Incidence Of Bone Cancer In These Women U 1 (47.43 KiB) Viewed 130 times
In 1945 1 000 Women Worked In A Factory Painting Radium Dials On Watches The Incidence Of Bone Cancer In These Women U 2 (43.64 KiB) Viewed 130 times
In 1945, 1,000 women worked in a factory painting radium dials on watches. The incidence of bone cancer in these women up to 1975 was compared with that of 1,000 women who worked as telephone operators in 1945. Twenty of the radium dial workers and four of the telephone operators developed bone cancer between 1945 and 1975. Use the table below to help you determine the cell values and calculate the incidence in those exposed to radium and those not exposed. Then match the values to the questions below. Also use these data to answer questions 9 and 10. Bone Cancer No Bone Cancer Total Incidence Radium dial workers a b 1000 a/(a+b) Telephone operators С d 1000 c/c+d) What is the incidence in the radium dial workers? [ Choose What is the incidence in the telephone operators? [Choose
ial ✓ [Choose ] 0.004 0.05 0.02 0.01 je
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