(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.

the tides are influenced by both the moon and the sun, it's easy to see that when the sun lines up with the moon and the earth, as during a new moon or full moon, the tidal effect is increased. these are known as spring tides, named not for the season, but for the fact that the water "springs" higher than normal. on the other hand, if the sun and the moon are 90 degrees apart in relation to an observer on earth as during the first quarter moon or third quarter moon, then high tides are not as high as they normally would be. this is because despite its greater distance, the sun's mass allows it to exert enough gravitational force on the oceans that it can negate some of the effects of the moon's pull. this phenomenon of lower high tides is called a neap tide. if you need more information on this topic visit moonconnection.com.

it would be a gas formation