In a class with 18 boys and 12 girls, boys have probability 1/3 of knowing the answer
Question:
In a class with 18 boys and 12 girls, boys have probability 1/3 of knowing the answer and girls have probability 1/2 of knowing the answer to a typical question the teacher asks. Assuming that whether or not the students know the answer are independent events, find the mean and variance of the number of students who know the answer.
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Mean is 1...View the full answer
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Jeff Omollo
As an educator I have had the opportunity to work with students of all ages and backgrounds. Throughout my career, I have developed a teaching style that encourages student engagement and promotes active learning. My education and tutoring skills has enabled me to empower students to become lifelong learners.
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