Mike, therese, tristan, and elena want to improve their fico credit score. mike uses 10% of his credit limit, therese uses 30% of her limit, tristan uses 50% of his limit, and elena uses 75% of her limit. who is improving their score the most?

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