Chemistry, 02.11.2020 14:00 marshallmattah
(e) A box contains 15 bulbs. 6 of the bulbs are spoilt. Two mentols are chosen at random from the box
one after another, without replacement. Find the
probability that
Sebuah kotak mengandungi 15 biji mentol. 6 biji mentol
telah rosak. Dua biji mentol dipilih secara rawal daripada
kotak tersebut, satu demi satu, tanpa penggantian. Cari
kebarangkalian bahawa
(i) both of the mentols are spoilt.
kedua-dua biji mentol adalah rosak
(ii) one of the mentols are spoilt.
sebiji mentol adalah rosak
(iii) at least one mentol is spoilt.
sekurang-kurangnya sanı biji mentol adalah rosak.
Answers: 1
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