Nghiên cứu chiều cao của những người trưởng thành, người ta nhận thấy rằng chiều cao đó tuân theo quy luật phân phối chuẩn với trung bình là 175 (cm) và phương sai là 16 (cm2 ). a) Tìm tỷ lệ người trưởng thành có chiều cao trên 181 (cm). b) Tìm tỷ lệ người trưởng thành có chiều cao từ 163 (cm) đến 179 (cm). c) Nếu biết rằng 33% người trưởng thành có chiều cao dưới mức h (cm), hãy tìm h

As it is used in section 1, what does unctuous mean? a) greasy or soapy b) soft or fragile c) traditional or elite d) hypocritical or insincere

In “we wear the mask,” which message is conveyed by dunbar’s repetition of the phrase “we wear the mask”?

Which line from the story of my life by helen keller is an example of a simile? during the whole trip i did not have one fit of temper, there were so many things to keep my mind and fingers busy. i was like that ship before my education began, only i was without compass or sounding-line, and had no way of knowing how near the harbour was. one day, while i was playing with my new doll, miss sullivan put my big rag doll into my lap also, spelled "d-o-l-l" and tried to make me understand that "d-o-l-l" applied to both. child as i was, i at once felt the tenderness and sympathy which endeared dr. bell to so many hearts, as his wonderful achievements enlist their admiration.