Một tổ học sinh gồm có 6 nam và 4 nữ. Chọn ngẫu nhiên 3 em. Tính xác suất 3 em được chọn có ít nhất 1 nữ.  

Chia sẻ

Một số câu hỏi khác có thể bạn quan tâm.

• Choose the correct sentence which is built from the words and phrases given:

  operate / TV / remote control / must / sure / cord / plug / main / turn on.//
  
  

• Choose the correct sentence which is built from the words and phrases given:

  More /15 movies / show / Ngoc Khanh cinema / three months//.
  
  

• Choose the correct sentence which is built from the words and phrases given:

  Certainly / I / give / lot / books / you / choose / you want //
  
  

• Choose the correct sentence which is built from the words and phrases given:

    I / havel / off / tomorrow / you / come / afternoon?//.
  
  

• Find a mistake in the four underlined parts of the sentence and correct it:

  This house hasn’t been white wash for ages.

• Find a mistake in the four underlined parts of the sentence and correct it:

  There isn’t room for me sit down, would you mind moving a little bit?

• Find a mistake in the four underlined parts of the sentence and correct it:

  The station calls out variable reasons forthe delay of the train.

• Choose the word that has the underlined part pronounced differently from the rest:

  cushion                      push                      full                      rude

• Choose the word that has the underlined part pronounced differently from the rest:  

  daughter                   fall                     cloth                        resort

• Choose the word that has the underlined part pronounced differently from the rest:  

  should                     stewed                      fruit                       rule