Deandre has made a table of his baseball card collection based on the year. fill the third column with the fraction of his total cards that year represents, and put the fractions in lowest terms. year 2009 number of cards 12 2010 number of cards 18 2011 number of card 10 2012 number of cards 20

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 . reset next