Mathematics, 27.06.2019 02:00, kodak0531
(06.05 mc) a survey was conducted among 100 students of age groups 7–12 years and 13–18 years to find their favorite book genre. the students had to select any one genre out of detective, adventure, and biography. out of the 50 students in the age group 7–12 years who participated in the survey, 23 liked adventure or biography. the total number of students of both age groups who liked detective books was 28. using a two-way table, compute the total number of students in the age group 13–18 years who liked adventure or biography.
Answers: 2
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Mathematics, 21.06.2019 12:30, nandalabella06
One-third of the people from country a claim that they are from country b, and the rest admit they are from country a. one-fourth of the people from country claim that they are from country a, and the rest admit they are from country b. in a combined census of the two countries, one-half of the total claimed to be from a. what is the ratio of the populations of country a to that of country b.
Answers: 2
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(06.05 mc) a survey was conducted among 100 students of age groups 7–12 years and 13–18 years to fin...
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