12 less than m is no less than 132
2 answers:
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Answer:
E(X) = 1.28
Var(X) = 0.6016
E(X | Y=2) = 1.6667
Var(X | Y=2) = 0.4272
Step-by-step explanation:
Answer:
<h2>One kilogram of oranges cost $3.</h2>Step-by-step explanation:
The problem states
- 1 kilogram of bananas costs as much as 2 kilograms of oranges. (
)
- 30 kilograms of oranges plues 45 kilograms of bananas cost $360.
Let's call one kilogram bananas and
one kilogram oranges. The cost is related by
Also, we know by given
Replacing the first equation into the second one, we have
Then, we find the other value
Therefore, one kilogram of oranges cost $3.