In a computer instant messaging survey, respondents were asked to choose the most fun way to flirt, and it found that P(D)equals0.550, where D is directly in person. If someone is randomly selected, what does Upper P (Upper D overbar )represent, and what is its value?

Which best describes the role or restriction enzymes in the analysis of edna a. to break dna into fragments that vary in size so they can be sorted and analyzed b. to amplify small amounts of dna and generate large amounts of dna for analysis c. to purify samples of dna obtained from the environment so they can be analyzed d. to sort different sizes of dna fragments into a banding pattern that can be analyzed