Question

Tolong dong no. 10 pakai cara.. makasi

Answer 1

Berarti :
ruang sampel = 10C5 = 10!/5!.5! = 6 x 7 x 8 x 9 x 10 / 1 x 2 x 3 x 4 x 5 = 3 x 7 x 2 x 3 x 2 = 252
n(a) terambil 3 bola merah = 5C3 = 5!/2!.3! = 4 x 5 / 2 = 10

peluangnya jadi :
10/252

Answer 2

Maaf ya jawabannya aja..

Jawab; A. 10/252