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3 years ago

What is 413,598 rounded to the nearest thousand?

Mathematics

1 answer:

Veronika [31]3 years ago

4 0

Answer:

414,000

Step-by-step explanation:

When rounding to the nearest thousand, you need to focus on the hundreds column. Because the unit is 5, you round up (5,6,7,8,9 determine rounding up). Therefore the 3 in the thousands column becomes a "4".

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A random sample of size 36 is to be taken from a population that is normally distributed with mean 72 and standard deviation 6.

Flauer [41]

Answer:

The sampling distribution of the sample mean is approximately normal with mean 72 and standard deviation 1.

Step-by-step explanation:

Central Limit Theorem

The Central Limit Theorem establishes that, for a normally distributed random variable X, with mean $\mu$ and standard deviation $\sigma$ , the sampling distribution of the sample means with size n can be approximated to a normal distribution with mean $\mu$ and standard deviation $s = \frac{\sigma}{\sqrt{n}}$ .

For a skewed variable, the Central Limit Theorem can also be applied, as long as n is at least 30.

Normally distributed with mean 72 and standard deviation 6.

This means that $\mu = 72, \sigma = 6$

A random sample of size 36

This means that $n = 36, s = \frac{6}{\sqrt{36}} = 1$

The sampling distribution of the sample mean is

By the Central Limit Theorem, it is approximately normal with mean 72 and standard deviation 1.

5 0

3 years ago

Will mark brainly! 20 points please hurry and help!!

Nata [24]

The correct answer is number one, number four, and number five. Please park Brainliest if helpful. Thanks

6 0

3 years ago

Calculate the simple interest an<br>6000 for 3 years at 12%

timurjin [86]

Answer:

$2160

Step-by-step explanation:

=PRN

6000×0.12×3

7 0

3 years ago

Read 2 more answers

Marley was asked to solve x2 - 4x + 9 = 0 using the Quadratic Formula. She found the discriminant first and decided she did not

saveliy_v [14]

We have been given Marley was asked to solve $x^2-4x+9 = 0$ using the Quadratic Formula. She found the discriminant first and decided she did not need to continue with the Quadratic Formula.

We are asked to determine whether Marley is correct or not.

We know when an equation is in form $ax^2+bx+c=0$ , we can use discriminant to check for the real solutions of equation.

$D=b^2-4(a)(c)$

If $D>0$ , then the equation will have two real solutions.

If $D=0$ , then the equation will have one real solution.

If $D$ , then the equation will have no real solutions.

Let us find discriminant.

$a=1,b=-4\text { and }c=9$

$D=(-4)^2-4(1)(9)$

$D=16-36$

$D=-20$

Since $-20$ , therefore, the equation will have no real solutions, so Marley is correct.

8 0

3 years ago

PLEASEE HELP DUE SOON

Nina [5.8K]

Answer:

182,379

Step-by-step explanation:

You can use the expression .227x = 41,400 to solve it because 22.7% of the registered doctors are females. Divide each side by.227 to get 182,378.85. Round it up to 182,379

4 0

3 years ago