Timmy went out for a walk. he walked 1/2 of a mile and then sat down to rest. after a few minutes. timmy got up and walked 3/8 mile. how far did he walk in total?

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