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KatRina [158]
3 years ago
7

Which of the following is NOT a conclusion of the Central Limit​ Theorem? Choose the correct answer below. A. The mean of all sa

mple means is the population mean mu. B. The standard deviation of all sample means is the population standard deviation divided by the square root of the sample size. C. The distribution of the sample data will approach a normal distribution as the sample size increases. D. The distribution of the sample means x overbar ​will, as the sample size​ increases, approach a normal distribution.
Mathematics
1 answer:
ANTONII [103]3 years ago
7 0

Answer:

The distribution of the sample data will approach a normal distribution as the sample size increases.

Step-by-step explanation:

Central limit​ theorem states that the mean of all samples from the same population will be almost equal to the mean of the population, if the large sample size from a population, is given with a finite level of variance.

So, here Option C is not correct conclusion of central limit theorem -The distribution of the sample data will approach a normal distribution as the sample size increases.

We can say that the average of sample mean tends to be normal but not the sample data.

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Please help me!
RUDIKE [14]

Answer:

B. 1/9

Step-by-step explanation:

The positive square root of "x^2 - 4x + 4" is "x - 2". That value is already given to you, 1/3. Just square 1/3 to get 1/9.

7 0
3 years ago
Read 2 more answers
Please answer! It would be appreciated if work is also shown!
borishaifa [10]

Quantity of paint left = \frac{389}{480} gallons

Solution:

Quantity of yellow paint = 1\frac{1}{5}=\frac{6}{5} gallons

Quantity of green paint = 1\frac{1}{6}=\frac{7}{6} gallons

Quantity of blue paint = \frac{7}{8} gallons

Quantity of paint used = \frac{3}{4} gallons of each paint

Quantity of paint left = 1-\frac{3}{4}=\frac{1}{4} gallons of each paint

Quantity of paint left = (\frac{6}{5}+\frac{7}{6}+\frac{7}{8})\times\frac{1}{4}

Taking LCM for 5, 6, 8, we get LCM = 120

(\frac{6}{5}+\frac{7}{6}+\frac{7}{8})\times\frac{1}{4}=(\frac{144}{120}+\frac{140}{120}+\frac{105}{120})\times\frac{1}{4}

                         =(\frac{389}{120})\times\frac{1}{4}

                         =\frac{389}{480}

Hence, Mark will have \frac{389}{480} gallons of paint left after painting the mural.

3 0
3 years ago
2. Larissa is on vacation and wants to rent a bicycle to explore the town. She pays a $10 flat
melisa1 [442]
The answer to the problem is B.2
7 0
3 years ago
Find the value of the variable.
erica [24]
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3 0
3 years ago
The probability of drawing a pearl bead out of a bag of mixed beads is 2/3. What is the probability of drawing a bead which is n
Georgia [21]

Answer:

\frac{1}{3} probability of drawing a bead which is not a pearl

Step-by-step explanation:

For each bead that you draw, there are only two possible outcomes. Either it is a pearl bead, or it is not. The sum of these probabilities = 100% = 1.

So

2/3 probability of drawing a pearl bead.

p probability of drawing a non pearl bead.

What is the probability of drawing a bead which is not a pearl?

p + \frac{2}{3} = 1

p = 1 - \frac{2}{3}

p = \frac{3*1 - 2}{3}

p = \frac{1}{3}

\frac{1}{3} probability of drawing a bead which is not a pearl

7 0
3 years ago
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