doanmaiphuong888 doanmaiphuong888
  • 15-06-2021
  • Mathematics
contestada

một lớp có 60 sinh viên nữ và 30 sinh viên nam. Kiểm tra ngẫu nhiên n - 21 sinh viên . tìm xác suất để trong đó
a, có 6 sinh viên nam

Respuesta :

tranthiquynhnhu123ht tranthiquynhnhu123ht
  • 16-06-2021

Answer:

Step-by-step explanation:Một lớp có 60 sinh viên nữ và 30 sinh viên nam. Kiểm tra ngẫu nhiên n - 21 sinh viên . tìm xác suất để trong đó

a, có 6 sinh viên nam

Answer Link

Otras preguntas

Chucky grabbed 121212 items in the grocery store that each had a different price and had a mean cost of about \$7.41$7.41dollar sign, 7, point, 41. One of the i
Prove that the altitude to the base of an isosceles triangle is also the median to the base
100 POINTS Chuck drops a rock from a height of 70 m. How long will it take the rock to hit the ground? Use the formula h(t)=−4.9t^2+v0t+h0 , where v0 is the ini
2) How would the climate of Norway be different without the Norwegian Current?
ONLY GODS CAN SOLVE For what values of a are the following expressions true? |a–5|=5–a |a|=−a |a+5| =−5−a |a+5| = a + 5
Help with these answers.
The Royals softball team played 75 games and won 55 of them. What percent of the games did they lose? (round to the nearest tenth)
Why did the Sunni & Shi'ite split in Islam? A. They didn't know what to call the Muslim leader B. Thy couldn't decide who should be the Muslim leader after
Please help click on the picture to see the full thing please explain
What is the effect of this scene from the passage on readers' experience? The man shook his head and laughed. "I can never seem to say no to you, Giselle. Go ah