3 years ago

Can u help me to answer it. please and thankyou

Mathematics

1 answer:

ruslelena [56]3 years ago

3 0

I know hwo can help you

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2 years ago

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:

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

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3 years ago

Please help, it’s urgent !

g100num [7]

Answer:

f(-10) = 2 times -10 + 1

= -19

f(2) = 2^2

= 4

f(-5) = 2 times -5 + 1

= -9

f(-1) = (-1)^2

= 1

f(8) = 3-8

= -5

Step-by-step explanation:

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3 years ago

How do you write 133x99?

swat32

133 x 99 = 13167
100% correct

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3 years ago