Can someone please help me with this math problem thanks

Mathematics

2 answers:

Novay_Z [31]3 years ago

4 0

That’s crazy why tho

Artemon [7]3 years ago

3 0

Answer:

RATED R FLIMS?

Step-by-step explanation:

thats so bad!?!?>>BNSDGh why would you watch P O R N>!?>!M!NKHEdb

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PLEASE HELP (WILL NAME BRAINLYEST)

ira [324]

Answer:

4.04 x 10^0 people/km^2 (x 10^0 is fairly redundant but if the answer is required in standard form then include it)

Step-by-step explanation:

Population Density = Population/Area

= 3.11 x 10^7 / 7.69 x 10^6

= 31,100,000 / 7,690,000

= 3110 / 769

= 4.04

= 4.04 x 10^0

7 0

3 years ago

50 points, question is below.

Angelina_Jolie [31]

x = -3, y = -2

Substitute the values of x and y to the equation xy = k:

k = (-3)(-2)

k = 6

5 0

3 years ago

Read 2 more answers

A simple random sample of size nequals57 is obtained from a population with muequals69 and sigmaequals2. Does the population nee

dusya [7]

Answer:

The population does not need to be normally distributed for the sampling distribution of $\bar{X}$ to be approximately normally distributed. Because of the central limit theorem. The sampling distribution of $\bar{X}$ is approximately normal.

Step-by-step explanation:

We have a random sample of size $n = 57$ from a population with $\mu = 69$ and $\sigma = 2$ . Because n is large enough (i.e., n > 30) and $\mu$ and $\sigma$ are both finite, we can apply the central limit theorem that tell us that the sampling distribution of $\bar{X}$ is approximatelly normally distributed, this independently of the distribution of the random sample. $\bar{X}$ is asymptotically normally distributed is another way to state this.