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1: A survey questioned 1,000 high school students. The survey revealed that 46% are honor roll...

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Statistics

1: A survey questioned 1,000 high school students. The surveyrevealed that 46% are honor roll students. Of those who are honorroll students, 45% play sports in school and 21% of those that arenot honor roll students, don't play sports. What is the probabilitythat a high school student selected at random plays sports inschool?

2: One of two small classrooms is chosen at random with equallylikely probability, and then a student is chosen at random from thechosen classroom. Classroom #1 has 5 boys and 11 girls. Classroom#2 has 14 boys and 9 girls. What is the probability that Classroom#2 was chosen at random, given that a girl was chosen? Your answersshould be rounded to 4 digits after the decimal.

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