Page 187 - Distribusi peluang binomial

LKS 06 KELAS
LKS 06
PELUANG XII
PELUANG

DISTRIBUSI BINOMIAL
DISTRIBUSI BINOMIAL

Tugas B

Ten per cent of all Olympic athletes are tested for drugs at the conclusion of their event.
One per cent of all athletes use performance enhancing drugs. Of the 1000 Olympic
wrestlers competing from all over the world, Australia sends 10.
Find:
a. the expected number of Australian wrestlers who are tested for drugs
b. the probability that half the Australian wrestlers are tested for drugs
c. the probability that at least two Australian wrestlers are tested for drugs
d. the expected number of drug users among all wrestlers
JAWABAN