Mom went to the store and picked up 4 oranges, 6 bananas and 5 apples. Write each ratio in all three forms

Need plz been trying to do it for a long time and still haven’t succeeded

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

True or false? the sum of the differences (% - 7) is never zero for any distribution consisting of n observations.