Paul is selling is paintings at the town square. He has 36 paintings to sell in all and needs to sell 17 in one day to recover his cost. He already sold 3 paintings since the morning and has 5 more hours to sell his paintings. Paul wants to know how many paintings he should sell per hour to recover his cost

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