Several years ago, % of parents who had children in grades k-12 were satisfied with the quality of education the students receive. A recent poll asked parents who have children in grades k-12 if they were satisfied with the quality of education the students receive. Of the surveyed, indicated that they were satisfied. Construct a % confidence interval to assess whether this represents evidence that parents' attitudes toward the quality of education have changed.

An ecosystem is shown in the illustration. assume that human activities have led to a decrease in the number of eagles. a virus attack on rabbits has led to a decrease in their population in the ecosystem. which two sentences describe likely effects on the ecosystem? 1. there’s an increase in the number of snakes and insects and a decrease in the number of frogs. 2. there’s an increase in the number of snakes and insects, and the storks face increased competition for food. 3. there’s an increase in the number of storks and a decrease in the number of snakes and insects. 4. there’s an increase in the number of frogs and a decrease in the number of storks and insects. 5. there’s a decrease in the number of snakes, insects, and frogs.