A nonprofit organization conducted a survey of 2040 metropolitan-area teachers regarding their beliefs about problems that hamper students' schooling. The following data were obtained. 850 said that lack of parental support is a problem. 850 said that abused or neglected children are problems. 660 said that malnutrition or students in poor health is a problem. 110 said that lack of parental support and abused or neglected children are problems. 100 said that lack of parental support and malnutrition or poor health are problems. 130 said that abused or neglected children and malnutrition or poor health are problems. 20 said that lack of parental support, abuse or neglect, and malnutrition or poor health are problems. What is the probability that a teacher selected at random from this group said that lack of parental support is the only problem hampering students' schooling? Hint: Draw a Venn diagram. (Round your answer to three decimal places.)
A nonprofit organization conducted a survey of 2040 metropolitan-area teachers regarding their beliefs about problems that hamper students' schooling. The following data were obtained. 850 said that lack of parental support is a problem. 850 said that abused or neglected children are problems. 660 said that malnutrition or students in poor health is a problem. 110 said that lack of parental support and abused or neglected children are problems. 100 said that lack of parental support and malnutrition or poor health are problems. 130 said that abused or neglected children and malnutrition or poor health are problems. 20 said that lack of parental support, abuse or neglect, and malnutrition or poor health are problems. What is the probability that a teacher selected at random from this group said that lack of parental support is the only problem hampering students' schooling? Hint: Draw a Venn diagram. (Round your answer to three decimal places.)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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A nonprofit organization conducted a survey of 2040 metropolitan-area teachers regarding their beliefs about problems that hamper students' schooling. The following data were obtained.
| 850 | said that lack of parental support is a problem. |
| 850 | said that abused or neglected children are problems. |
| 660 | said that malnutrition or students in poor health is a problem. |
| 110 | said that lack of parental support and abused or neglected children are problems. |
| 100 | said that lack of parental support and malnutrition or poor health are problems. |
| 130 | said that abused or neglected children and malnutrition or poor health are problems. |
| 20 | said that lack of parental support, abuse or neglect, and malnutrition or poor health are problems. |
What is the probability that a teacher selected at random from this group said that lack of parental support is the only problem hampering students' schooling? Hint: Draw a Venn diagram. (Round your answer to three decimal places.)
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