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nadezda [96]
3 years ago
8

Help please, hurry​

Mathematics
1 answer:
Lady bird [3.3K]3 years ago
8 0
The answer would be B
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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.

6 0
2 years ago
What is x when: |5x|=3
MissTica

Answer:

3/5

Step-by-step explanation:

5x= 3

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4 0
3 years ago
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I need help with these question please help me!!
Elza [17]

The correct answer is n - 7 = 30

6 0
3 years ago
a coffee shop allows customers to choose 1 ingredient from each category. coffee or espresso cream, soy milk, or whole milk, cho
Anettt [7]
The categories are:-
1- Coffee
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So the probability is 0.86 of he liking his choice
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3 years ago
Help, will give brainliest
VladimirAG [237]

Answer:

10.0

Step-by-step explanation:

4.0+8.0=12.0-2.0=10.0

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3 years ago
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