Statıstıcs I Deneme Sınavı Sorusu #822437
At a local district, there are three different pizza restaurants denoted here by A, B, and C. It is known that 40% of all customers give an order from company A, whereas 35% give an order from company B, and 25% give an order from company C. It is also known that 10% of the motorcycles from company A, 20% of the motorcycles from company B, and 5% of the motorcycles from company C need to a checkup before the next pizza delivery. What is the probability that a motorcycle returned to the restaurant needs a checkup before the next pizza delivery?
0,12 |
0,14 |
0,16 |
0,18 |
0,20 |
Yanıt Açıklaması:
P(A)=0.40 P(U/A)=0.10 P(U/A).P(A)=0.04
P(B)=0.35 P(U/B)=0.20 P(U/B).P(B)=0.07
P(C)=0.25 P(U/C)=0.05 P(U/C).P(C)=0.0125
P(U)=0,04+0,07+0,0125=0,12
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