3 years ago

Helpppppppppppppppppppp

Mathematics

1 answer:

Sergio [31]3 years ago

6 0

Answer:

what helpppppppp???

Step-by-step explanation:

????

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Use the function below to find F(3). <br><br> F(x) = 4(1/3)^x

aalyn [17]

Answer:

4/27

Step-by-step explanation:

F(x) = 4(1/3)^x

Let x =3

F(3) = 4(1/3)^3

Exponents first

F(3) = 4 * 1/27

Then multiply

f(3) = 4/27

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2 years ago

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The sales price of a single family house in Charlotte is normally distributed with mean $210,000 and standard deviation $35,000.

Lady_Fox [76]

Answer:

E(X ¯)=210,000.

Step-by-step explanation:

A sampling distribution for samples of size n=49 from a population with means μ=210,000 and standard deviation σ=35,000, has the following means anda standard deviation:

$\mu_s=\mu=210,000\\\\\sigma_s=\sigma/\sqrt{n}=35,000/\sqrt{49}=35,000/7=5,000$

If X ¯ is the mean sales price of the sample, it will have a mean value of E(X ¯)=210,000.

7 0

2 years ago

Could someone help me please

mash [69]

Answer:

Step-by-step explanation:

The number is proportional the central angle in the chart. 360° represents all 72 of the people, so 140° (the size of the Oblivion sector) will represent ...

(140°/360°)×(72 people) = 28 people

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3 years ago

Mrs. Green wrote the following problem on the board: Lisa and Frank share 1/3 pound of cherries equally. How many pounds cherrie

kakasveta [241]

0.5/ 1.5 ? I think not sure thi

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3 years ago

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Select all that apply.

Contact [7]

Answer: i'm pretty sure the only answer that applies is the last one.