The speedy fast ski resort has started to keep track of skiers and snowboarders who bought session passes. the ratio of numbers of skiers to snow boarders bought session passes is 1: 2. if 1,2500 more snowboarders bought session passes how snowboarders and skiers bought session passes

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