Question

Radiologists are often asked to predict the gender of a baby from ultrasound images made during pregnancy. The authors of a paper followed up on 157 predictions made by a particular radiologist (Radiologist 1) to determine whether or not they were correct. Data from the paper is summarized in the accompanying table. Radiologist 1 Predicted Male Predicted Female Baby is Male 73 12 Baby is Female 14 58 Based on the data for Radiologist 1 and the data in the accompanying table for Radiologist 2, write a paragraph comparing the accuracy of gender predictions made by these two radiologists. (Round your answers to three decimal places.) Radiologist 2 Predicted Male Predicted Female Baby is Male 81 9 Baby is Female 8 57 For Radiologist 1, P(prediction is male|baby is male) = 0.859, and for Radiologist 2, P(prediction is male|baby is male) = 0.900, so Radiologist 1 is worse than Radiologist 2 at predicting the gender when the baby is male. For Radiologist 1, P(prediction is female|baby is female) = 0.141, and for Radiologist 2, P(prediction is female|baby is female) = 0.100, so Radiologist 1 is worse than Radiologist 2 at predicting the gender when the baby is female. For Radiologist 1, the overall success rate is , and for Radiologist 2, the overall success rate is , so Radiologist 1 is worse than Radiologist 2 at predicting the gender.

          Radiologists are often asked to predict the gender of a baby from ultrasound images made during pregnancy. The authors of a paper followed up on 157 predictions made by a particular radiologist (Radiologist 1) to determine whether or not they were correct. Data from the paper is summarized in the accompanying table.

Radiologist 1
Predicted Male Predicted Female
Baby is Male 73 12
Baby is Female 14 58

Based on the data for Radiologist 1 and the data in the accompanying table for Radiologist 2, write a paragraph comparing the accuracy of gender predictions made by these two radiologists. (Round your answers to three decimal places.)

Radiologist 2
Predicted Male Predicted Female
Baby is Male 81 9
Baby is Female 8 57

For Radiologist 1, P(prediction is male|baby is male) = 0.859, and for Radiologist 2, P(prediction is male|baby is male) = 0.900, so Radiologist 1 is worse than Radiologist 2 at predicting the gender when the baby is male. For Radiologist 1, P(prediction is female|baby is female) = 0.141, and for Radiologist 2, P(prediction is female|baby is female) = 0.100, so Radiologist 1 is worse than Radiologist 2 at predicting the gender when the baby is female. For Radiologist 1, the overall success rate is , and for Radiologist 2, the overall success rate is , so Radiologist 1 is worse than Radiologist 2 at predicting the gender.

Radiologists are often asked to predict the gender of a baby from ultrasound images made during pregnancy. The authors of a paper followed up on 157 predictions made by a particular radiologist (Radiologist 1) to determine whether or not they were correct. Data from the paper is summarized in the accompanying table.

Radiologist 1
Predicted Male Predicted Female
Baby is Male 73 12
Baby is Female 14 58

Based on the data for Radiologist 1 and the data in the accompanying table for Radiologist 2, write a paragraph comparing the accuracy of gender predictions made by these two radiologists. (Round your answers to three decimal places.)

Radiologist 2
Predicted Male Predicted Female
Baby is Male 81 9
Baby is Female 8 57

For Radiologist 1, P(prediction is male|baby is male) = 0.859, and for Radiologist 2, P(prediction is male|baby is male) = 0.900, so Radiologist 1 is worse than Radiologist 2 at predicting the gender when the baby is male. For Radiologist 1, P(prediction is female|baby is female) = 0.141, and for Radiologist 2, P(prediction is female|baby is female) = 0.100, so Radiologist 1 is worse than Radiologist 2 at predicting the gender when the baby is female. For Radiologist 1, the overall success rate is , and for Radiologist 2, the overall success rate is , so Radiologist 1 is worse than Radiologist 2 at predicting the gender.

Added by Barbara B.

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