Yes.
70% of the customers buy a coffee drink and 30% buy food.
The sum of it is 100% already.
So 20% of it just another addition of information since it cannot exceed 100% of percentage (100% + 20% = 120%).
It also contains a subset for both percentage.
Answer:
No
Step-by-step explanation:
If independent,
P(C^F) = P(C) × P(F)
0.2 = 0.3×0.7
0.2 = 0.21 is not a true statement
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Answer:1
8+10=18 18+6=24 25-24=1
a=31
1/2(a-9)=11
a-9=22
a=22+9
