What does that percentile mean?

each of the 100 equal groups into which a population can be divided according to the distribution of values of a particular variable.

Explanation:

- "there are several movements that doris lessing was associated with. first of all, communism. she pursued her communist beliefs and included them in her writing, and was also a member of several communist book clubs. she is also strongly associated with feminism, her fight for equality and women's rights.

doris lessing is the kind of writer who has followers, not just readers. they have been engaged to her chiefly because of her involvement in major problems, such as politics and woman-ism."

greet them:

buenas noches.

that is considered night time which is when "good night" is used.