Dalam suatu acara yang dihadiri 150 peserta, setiap peserta diberikan kupon undian. Panitia menyediakan DoorPrize sebanyak 35 hadiah. Tentukan peluang peserta yang TIDAK mendapatkan DoorPrize..
A. 35/150
B. 23/30
C. 7/150
D. 7/30
A. 35/150
B. 23/30
C. 7/150
D. 7/30
•°• Dlm suatu acara yg dihadiri 150 peserta, setiap peserta diberikan kupon undian. Panitia menyediakan Doorprize sbnyk 35 hadiah. Peluang peserta yg tdk mendptkan doorprize adlh 7/30 (Opsi D)
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Penjelasan dengan langkah-langkah:
banyak orang = n(S)
banyak hadiah = n(A)
peluang = p(A)
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[tex] \: \: \: \: \quad \quad \: \: \: \: \: \large \colorbox{yellow}{ \sf{Peluang}}[/tex]
p(A) = n(A)/n(S)
p(A) = 35/150
Sederhanakan dgn cara di bagi 5
p(A) = (35 ÷ 5)/(150 ÷ 5)
p(A) = 7/30 (D)
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