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Debora [2.8K]
3 years ago
14

You are interested in estimating the mean of a population. You plan to take a random sample from the population and use the samp

le’s mean as an estimate of the population mean. Assuming that the population from which you select your sample is normal, which of the statements about M are true? Check all that apply. The expected value of M is equal to the value of the population mean. You can only assume that the sampling distribution of M is normally distributed for sufficiently large sample sizes. You can assume that the sampling distribution of M is normally distributed for any sample size. The expected value of the sampling distribution of M is equal to the value of the population mean divided by the sample size.

Mathematics
1 answer:
kiruha [24]3 years ago
4 0

Answer:

from central limit theorem ,correct options are:

You might be interested in
Justify each step of the solution by stating the property that was used to get to each step.
trapecia [35]

For this case we have the following expression:

4.5 (8-x) + 36 = 102-2.5 (3x + 24)

Applying distributive property to the terms within parentheses we have:

36-4.5x + 36 = 102-7.5x-60

We add similar terms on both sides of equality considering that:

Equal signs are added and the same sign is placed.

Different signs are subtracted and the major sign is placed.

72-4.5x = 42-7.5x

We add 7.5x to both sides of equality:

72 + 3x = 42

We subtract 72 from both sides of equality:

3x = -30

We divide between 3 on both sides of equality

x = -10

ANswer:

Distributive property

Add similar terms

Equality property of the sum

Equality subtraction property

Equality property of the division

3 0
3 years ago
Lila is building a slide for her kids. The ladder is 3 meters tall and the slide is 5 meters long. What is the distance between
lisov135 [29]

Answer:

Step-by-step explanation: For a problem like this, it’s best to use Pythagorean Theorem which is a^2+b^2=c^2 .

In this problem they gave us a and c already so we are trying to find b.

3^2+?=5^2

9+?=25

25-9=16

Find the square root of 16 which is 4

Answer: The distance between the ladder and the slide is 4 meters

7 0
3 years ago
I WILL LITERALLY GIVE OUT 50 POINTS FOR THIS!!!!
kaheart [24]

Answer: B) -3

Step-by-step explanation:

X<-11/3 if u divide -11/3 = is about -3.6666

3 0
3 years ago
Read 2 more answers
Rachel is 40 cm taller than Lucy. Rachel is 25 percent taller than Lucy. How tall is Lucy? Explain
tatyana61 [14]
What is 40cm 25% of?
The answer is 160cm.

Rachel is 160cm. 160 - 40 = 120.

Lucy is 120cm tall.
5 0
3 years ago
Encontrar la media, mediana, moda y rango de los siguiente valores:
xenn [34]

Answer:

La mediana es 79 la moda es 87 la media 87 y él rango es 26

Step-by-step explanation:

Espero te ayude ;)

7 0
3 years ago
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