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jarptica [38.1K]
3 years ago
9

What does the CLT say? Asked what the central limit theorem says, a student replies, "As you take larger and larger samples from

a population, the spread of the sampling distribution of the sample mean decreases." Is the student right? Explain your answer.
Mathematics
1 answer:
Alexeev081 [22]3 years ago
4 0

Answer:

No, the student is not right as his statement is against central limit theorem.

Step-by-step explanation:

Central Limit Theorem:

This theorem states that if we take large samples of a population which has a mean and standard deviation then mean samples will have a normal distribution.

  • So the statement of this theorem negates the statement of the boy who said that the spread of sampling distribution of the sample mean will decrease.

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Sinx•Tanx•Cotx•Cscx =
nekit [7.7K]

Answer:

the answer of this question is " 1 "

Step-by-step explanation:

as

tanx = sinx/cosx

cotx = cosx/sinx

cscx = 1/sinx

after putting them all in the given equation

sinx.(sinx/cosx).(cosx/sinx).(1/sinx)

they all are canceled as all are being multiplied with their reciprocals so answer is " 1 "

8 0
3 years ago
A cube has side length a. The side lengths are decreased to 50% of their original size. Write an expression in simplest form for
vaieri [72.5K]

Answer:

  V = a³/8

Step-by-step explanation:

The volume of the original cube is the cube of the side length:

  V = a³

When the side length is reduced to half its former value, the new volume is ...

  V = (a/2)³ = a³/2³

  V = a³/8 . . . . volume of the new cube

6 0
3 years ago
For each pair of shapes, decide whether or not Shape A is congruent to Shape B. Explain your reasoning.
WINSTONCH [101]
Shape A is congruent to Shape B because If you were to rotate one of the two and flip it the would like up and match.
5 0
3 years ago
Researchers randomly surveyed people at two amusement parks, Funland and Thrillville, to find out how many times they visit the
STALIN [3.7K]

On average, people visit Thrillville 2 more times per year than Funland.

<h3><u>Averages</u></h3>

To determine how many more times per year, on average, do people visit Thrillville than Funland, the following calculation must be performed:

  • Funland: 4,1,2,1,5,6,3,2,4,3,2,6,1,3,2 = 45
  • 45 / 15 = 3
  • Thrillville: 8,6,5,7,2,5,4,2,1,9,3,8,3,7,5,2,9,4,2,8 = 100
  • 100 / 20 = 5
  • 5 - 3 = 2

Therefore, on average, people visit Thrillville 2 more times per year than Funland.

Learn more about averages in brainly.com/question/2426692

4 0
2 years ago
Explain why (–4x)0 = 1, but –4x0 = –4.
hodyreva [135]
Any number raised to power of 0 is 1.
In (-4x)^0, because of the parenthesis, the whole number is being raided to 0, which gives 1.
But in -4x^0, only x is being raised to 0, thus -4x^0 = -4(1) = -4.
5 0
3 years ago
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