Sagot :
Answer:
Step-by-step explanation:
i) (64+39+18)/(175)=0.691
ii) 64/(64+17)=0.79
iii) 18/(18+15)=0.55
(1) The proportion of branches that are profitable 121/175.
2) Proportion of branches from an urban location that is profitable 64/175.
3) The proportion of branches from a rural location is profitable 33/175.
It is given that:
From the sample of 175 branches,
Profitable Not Profitable
Urban 64 17
Suburban 39 22
Rural 18 15
Total number of samples = 175
What is a proportion?
Proportion is a part, share, or number considered in comparative relation to a whole.
(1) The proportion of branches that are profitable:
= (64+39+18)/175
=121/175
2) Proportion of branches from an urban location that is profitable:
=64/175
3) The proportion of branches from a rural location is profitable:
=(18+15)/175 = 33/175
Therefore, (1) The proportion of branches that are profitable 121/175.
2) Proportion of branches from an urban location that is profitable 64/175.
3) The proportion of branches from a rural location is profitable 33/175.
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