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Bumek [7]
4 years ago
11

If the Federal Reserve lowers the federal funds rate, what will happen to bank savings accounts? (4 points)

Mathematics
1 answer:
mariarad [96]4 years ago
8 0
The interest rate offered would decrease. The federal reserve sets the rates to help prevent inflation, deflation etc
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If I have 80 carrots and divide it by 5
lidiya [134]

Answer:

16

Step-by-step explanation:

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3 years ago
Is there a answer to this
hodyreva [135]

Answer:

mean=71

Step-by-step explanation:

Mean x¯¯¯x¯

71

Median x˜x~

72

Mode

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Range

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Minimum

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Maximum

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Count n

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Sum

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Interquartile

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Outliers

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5 0
3 years ago
Random variables X Poisson~ ( a) ,Y Poisson ~ ( a) . X and Y are independent. If 2 1, 2 1. U =2X+ Y-1, V=2X- Y +1. Find: ) Cov (
german

By definition of covariance,

\mathrm{Cov}(U,V)=E[(U-E[U])(V-E[V])]=E[UV-E[U]V-UE[V]+E[U]E[V]]=E[UV]-E[U]E[V]

Since U=2X+Y-1 and V=2X-Y+1, we have

E[U]=2E[X]+E[Y]-1

E[V]=2E[X]-E[Y]+1

\implies E[U]E[V]=(2E[X]+E[Y]-1)(2E[X]-(E[Y]-1))=4E[X]^2-(E[Y]-1)^2=4E[X]^2-E[Y]^2+2E[Y]-1

and

UV=(2X+Y-1)(2X-(Y-1))=4X^2-(Y-1)^2=4X^2-Y^2+2Y-1

\implies E[UV]=4E[X^2]-E[Y^2]+2E[Y]-1

Putting everything together, we have

\mathrm{Cov}(U,V)=(4E[X^2]-E[Y^2]+2E[Y]-1)-(4E[X]^2-E[Y]^2+2E[Y]-1)

\mathrm{Cov}(U,V)=4(E[X^2]-E[X]^2)-(E[Y^2]-E[Y]^2)

\mathrm{Cov}(U,V)=4V[X]-V[Y]=4a-a=\boxed{3a}

7 0
4 years ago
Which number is equivalent to 2.108¯¯¯¯¯¯¯¯?
antoniya [11.8K]

Answer:

4.443664/2

Step-by-step explanation:

Mark me brainliest

4 0
2 years ago
Need help ASAP! Looking for someone to show work, it’s completely fine if you don’t tho!
andreyandreev [35.5K]
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