Compute the total and annual returns on the following investment. Twenty years after purchasing shares in a mutual fund for $6000, the shares are fold for $11,600.
The the total return is %.
(Do not round until the final answer. Then round to one decimal place as needed.)

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