During geography quiz bowl, for every time abdul got an answer right, sarah got 3 answers right. if sarah and abdul correctly answered 92 questions, how many times did abdul answer correctly

Rachel is studying the population of a particular bird species in a national park. she observes every 10th bird of that species that she can find in the park. her conclusion is that the birds living in the park who belong to that species generally feed on insects. rachel's sample is . based on the sample she picked, rachel's generalization is