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17. [-/2 Points] DETAILS HARMATHAP12 7.4.024. 0/30 Submissions Used MY NOTES ASK YOUR TEACHER One hundred thirty boys and 130 girls were asked if they had ever been frightened by a television program. Twenty of the boys and 90 of the girls said they had been frightened. One of these children is selected at random. (Enter your probabilities as fractions.) (a) What is the probability that he or she has been frightened? (b) What is the probability the child is a girl, given that he or she has been frightened? Need Help? Submit Answer 18. [-/2 Points] DETAILS HARMATHAP12 7.4.029. 0/30 Submissions Used MY NOTES ASK YOUR TEACHER In a Student Activity Participation Study (SAPS) survey, 30 engineering majors, 25 business majors, 20 science majors, 15 liberal arts majors, and 10 human development majors were selected. Thirteen of the engineering, 9 of the science, 6 of the human development, 11 of the business, and 7 of the liberal arts majors selected for the study were female. (Enter your probabilities as fractions.) (a) What is the probability of selecting a female if one person from this group is selected randomly? (b) What is the probability that a student selected randomly from this group is a science major, given that she is female? Need Help?

          17. [-/2 Points]
DETAILS
HARMATHAP12 7.4.024. 0/30 Submissions Used
MY NOTES ASK YOUR TEACHER
One hundred thirty boys and 130 girls were asked if they had ever been frightened by a television program. Twenty of the boys and 90 of the girls said they had been frightened. One of these children
is selected at random. (Enter your probabilities as fractions.)
(a) What is the probability that he or she has been frightened?
(b) What is the probability the child is a girl, given that he or she has been frightened?
Need Help?
Submit Answer
18. [-/2 Points] DETAILS
HARMATHAP12 7.4.029. 0/30 Submissions Used
MY NOTES ASK YOUR TEACHER
In a Student Activity Participation Study (SAPS) survey, 30 engineering majors, 25 business majors, 20 science majors, 15 liberal arts majors, and 10 human development majors were selected.
Thirteen of the engineering, 9 of the science, 6 of the human development, 11 of the business, and 7 of the liberal arts majors selected for the study were female. (Enter your probabilities as
fractions.)
(a) What is the probability of selecting a female if one person from this group is selected randomly?
(b) What is the probability that a student selected randomly from this group is a science major, given that she is female?
Need Help?

$17. [-/2 Points] DETAILS HARMATHAP12 7.4.024. 0/30 Submissions Used MY NOTES ASK YOUR TEACHER One hundred thirty boys and 130 girls were asked if they had ever been frightened by a television program. Twenty of the boys and 90 of the girls said they had been frightened. One of these children is selected at random. (Enter your probabilities as fractions.) (a) What is the probability that he or she has been frightened? (b) What is the probability the child is a girl, given that he or she has been frightened? Need Help? Submit Answer 18. [-/2 Points] DETAILS HARMATHAP12 7.4.029. 0/30 Submissions Used MY NOTES ASK YOUR TEACHER In a Student Activity Participation Study (SAPS) survey, 30 engineering majors, 25 business majors, 20 science majors, 15 liberal arts majors, and 10 human development majors were selected. Thirteen of the engineering, 9 of the science, 6 of the human development, 11 of the business, and 7 of the liberal arts majors selected for the study were female. (Enter your probabilities as fractions.) (a) What is the probability of selecting a female if one person from this group is selected randomly? (b) What is the probability that a student selected randomly from this group is a science major, given that she is female? Need Help?$

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