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ololo11 [35]
3 years ago
15

A sample of 92 observations is taken from a process (an infinite population). the sampling distribution of x̄ is approximately n

ormal because
Mathematics
1 answer:
Sindrei [870]3 years ago
6 0
It is normal based on the Central Limit Theorem. According to the theorem, an appropriately big sample (infinite) size from a population with a limited level of variance, the average of all samples from the same populace will be roughly equivalent to the mean of the population.
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Jensen recorded the daily average temperature (in degrees Fahrenheit) at his home over two weeks' time. ​His results are shown b
strojnjashka [21]

Answer:25

Step-by-step explanation:

73-48=25

To get your answer take the highest number and subtract it from the lowest number

5 0
2 years ago
Can someone help me please
Dimas [21]

Answer:

  g(x)=-x^2-8x-22

Step-by-step explanation:

Perform the multiplication and addition:

  g(x)=-(x+4)^2-6=-(x^2+8x+16)-6=-x^2-8x-16-6\\\\g(x)=-x^2-8x-22

_____

<em>Comment on the squaring</em>

There are several ways you can find the square (x+4)².

  1. Use your knowledge that (x+a)² = x²+2ax+a².
  2. Use FOIL* to compute (x+4)(x+4) = x² +4x +4x +4² = x²+8x+16
  3. Use the distributive property: (x+4)(x+4) = x(x+4) +4(x+4) = x² +4x +4x +4² (same as FOIL for two binomials)

__

* FOIL is mnemonic for {First, Outer, Inner, Last} referring to pairs of terms in the factors (x +a)(x +b). The x terms are the First terms. The Outer terms are the first x and b. The Inner terms are "a" and the second x. The Last terms are "a" and "b". You are to form the sum of those pairs of terms to find the product of the binomials.

5 0
3 years ago
Find the 11th term of the geometric sequence 7, -28, 112, ...
Romashka-Z-Leto [24]

Answer:

-7,340,032

Step-by-step explanation:

3 0
3 years ago
ΔRST ≅ ΔXYZ. If RS = 13, YZ = 11, and XZ = 9, what is XY? A. 13 B. 9 C. 2 D. 11
Usimov [2.4K]
The answer is option "A, 13".

As both triangles are similar.
<span>ΔRST ≅ ΔXYZ.
it means RS = XY
YZ = ST
and XZ = RT
Now given that RS = 13 which is equal to XY.
Thus XY is equal to 13.</span>
6 0
3 years ago
Read 2 more answers
For which inequality is x = to 7
castortr0y [4]

Answer:

C

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
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